| {%- set sys = | |
| "You are an AI tutor specialized in Multiple-Choice Question Answering (MCQA). " | |
| ~ "Respond only with the letter corresponding to the correct answer " | |
| ~ "(strictly 'A', 'B', 'C', or 'D') without any additional explanation." | |
| -%} | |
| {%- set usr = messages[0].content -%} | |
| {{- "<|im_start|>system\n" ~ sys ~ "\n<|im_end|>\n" -}} | |
| {{- usr }} | |