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README.md

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 # trace-mcq
 
-TRACE static MC reuses original rendered images and native train/validation rows.
+TRACE MC retains native training/validation QAs and adds fresh training generations.
 
-Source: https://huggingface.co/datasets/maveryn/trace. Distractors are answers
-from other native training instances of the same task and answer type, rejected
-by TRACE's exact-JSON answer scorer for the current example. No annotation targets,
-JSON demonstrations or execution traces enter model inputs. Native labels and image
-bytes are preserved; no new TRACE generation or model-derived labels are needed.
-Dataset: CC BY 4.0; verifier code: Apache-2.0; original asset notices remain applicable.
+Original data: https://huggingface.co/datasets/maveryn/trace. New instances use
+the pinned TRACE generator and independent seeds; native training answers supply
+same-task distractors checked with the original scorer. The native validation
+split is preserved, and image/question/gold duplicates and held-out image copies
+are excluded from the fresh training additions. Seeds and rendering versions are
+recorded; execution traces and gold targets stay out of model inputs. Dataset
+terms: CC BY 4.0, with the original asset credits and licenses retained.
 
-Original data: [maveryn/trace](https://huggingface.co/datasets/maveryn/trace), [original distribution](https://huggingface.co/datasets/maveryn/trace). Repackaged as parquet for [tasksource](https://github.com/sileod/tasksource) by [scripts/repackage_dataset/procedural/trace.py](https://github.com/sileod/tasksource/blob/main/scripts/repackage_dataset/procedural/trace.py#L49).
+Original data: [maveryn/trace](https://huggingface.co/datasets/maveryn/trace), [original distribution](https://huggingface.co/datasets/maveryn/trace), [upstream generator and verifier](https://github.com/maveryn/trace). Repackaged as parquet for [tasksource](https://github.com/sileod/tasksource) by [scripts/repackage_dataset/procedural/trace_generate.py](https://github.com/sileod/tasksource/blob/main/scripts/repackage_dataset/procedural/trace_generate.py#L75).
 
 [Conversion provenance](provenance.json): source revisions, hashes, configuration and exclusions.