Automated MNLP evaluation report (2026-05-21)

EVAL_REPORT.md

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+# Automated MNLP evaluation report
+
+- **Model repo:** [`cs-552-2026-baseline/general_knowledge_model`](https://huggingface.co/cs-552-2026-baseline/general_knowledge_model)
+- **Owner(s):** group **baseline**
+- **Generated at:** 2026-05-21T03:28:21+00:00 (UTC)
+- **Pipeline:** [mnlp-project-ci](https://github.com/eric11eca/mnlp-project-ci)
+
+_This PR is opened automatically by the course CI. It is **non-blocking** — you do not need to merge it. The next nightly run will refresh this file._
+
+## Summary
+
+| Benchmark | Accuracy | Status |
+|---|---:|---|
+| Math | — | not run |
+| Knowledge | 0.2500 | ok |
+| Multilingual | — | not run |
+| Safety | — | not run |
+
+## Sample completions
+
+_Prompts are intentionally omitted to avoid revealing benchmark contents. For multi-completion problems, only one completion is shown per sample._
+
+### Knowledge
+
+**Correct** (1 shown)
+
+- **reference**: `B`
+- **overall** (1/1 completions correct)
+- **extracted** (✓): `B`
+- **completion**:
+
+    ```text
+    <think>
+    Okay, let's try to figure out which investment is wiser for Mr. James. So, he's in the 50% income tax bracket. He has two options: corporate bonds paying 8% interest or municipal bonds paying 4.5% interest. The question is asking which one is better.
+    
+    First, I remember that corporate bonds are generally taxed at the corporate tax rate, and then the interest income is also taxed at the indi
+    
+    ... [truncated 713 chars] ...
+    
+    ter. Therefore, the answer should be municipal bonds. Let me check the choices again. Choice B is municipal bonds. So the answer is B.
+    </think>
+    
+    To determine which investment is wiser for Mr. James, we need to compare the net returns of the two options, considering the tax implications.
+    
+    ---
+    
+    ### Key Information:
+    
+    - **Mr. James is in the 50% income tax bracket.**
+    - **Corporate bonds** pay **8% interest**.
+    - **Municipal bonds** pay **4.5% interest** and are **tax-exempt**.
+    
+    ---
+    
+    ### Step-by-Step Analysis:
+    
+    1. **Corporate Bonds:**
+       - The **interest income** is taxed at 50%.
+       - Net return = 8% × (1 - 0.50) = 4%.
+       - So, the net return after taxes is **4%**.
+    
+    2. **Municipal Bonds:**
+       - The **interest income** is **tax-exempt**.
+       - Net return = 4.5% (since no taxes are paid on this income).
+       - So, the net return is **4.5%**.
+    
+    ---
+    
+    ### Conclusion:
+    
+    Although corporate bonds offer a slightly higher interest rate (8% vs. 4.5%), the **tax implications** reduce the net return significantly for corporate bonds. In contrast, **municipal bonds** provide a **tax-free return** of 4.5%, which is higher than the 4% after taxes from corporate bonds.
+    
+    ---
+    
+    ### Final Answer:
+    
+    $$
+    \boxed{B}
+    $$
+    ```
+
+**Incorrect** (1 shown)
+
+- **reference**: `C`
+- **overall** (0/1 completions correct)
+- **extracted** (✗): `<no answer>`
+- **completion**:
+
+    ```text
+    <think>
+    Okay, let's try to figure out this problem. So, we have water flowing through a pipe with some given parameters, and we need to find the heat transfer coefficient using Sieder and Tate's formula and Hausen's formula. The options are given, but I need to work through it step by step.
+    
+    First, let me recall what I know about forced convection and heat transfer coefficients. The basic formula
+    
+    ... [truncated 822 chars] ...
+    
+    mula is:
+    
+    Nu = 0.023 * Re^0.8 * Pr^0.33
+    
+    But this is the same. Therefore, the answer is the same. But since the options are different, I must have made a mistake.
+    
+    Wait, maybe the Sieder and Tate formula is:
+    
+    Nu = 0.023 * Re^0.8 * Pr^0.33
+    
+    But Hausen's formula is:
+    
+    Nu = 0.023 * Re^0.8 * Pr^0.33
+    
+    But that's the same. Therefore, the answer is the same. But the options are different. Therefore, I need to check the problem again.
+    
+    Wait, the problem says that the flow is laminar. So, the Nusselt number is given by the Sieder-Tate formula. Let me try to calculate the value step by step.
+    
+    First, calculate the Reynolds number. The Reynolds number is Re = (v * D * N) / μ, where v is the velocity, D is the diameter, N is the number of Reynolds, and μ is the dynamic viscosity. Wait, no, Re = (v * D) / ν, where ν is the kinematic viscosity.
+    
+    But I need to find the velocity first. The volume flow rate Q is given by Q = A * v, where A is the cross-sectional area of the pipe.
+    
+    Given:
+    
+    - Diameter D = 0.0492 ft
+    
+    - Length L = 3.28 ft
+    
+    - Flow rate Q = 1.27 ft³/hr
+    
+    So, the cross-sectional area A = π * (D/2)^2 = π * (0.0492/2)^2.
+    
+    First, calculate the cross-sectional area:
+    
+    D/2 = 0.0246 ft
+    
+    A = π * (0.
+    ```