The sculptor Barajas died before she could even begin sculpting the statue called Sonora. However, because Sonora was sculpted by Barajas’s assistants, working from three sketches Barajas drew in preparing to create the statue herself, the statue probably looks if she had lived to complete it.
What this question is testing
Evidence (because)
Barajas's assistants built Sonora using three sketches the artist drew before she died. Three sketches — that is the entire blueprint.
Conclusion
The statue probably looks like it would have if Barajas had finished it herself.
Evaluate
Three sketches sounds like a reasonable amount of guidance — until you wonder whether Barajas was the type of artist who drew three sketches and was done planning, or the type who drew fifty sketches and was still changing her mind. If she normally went through dozens of revisions, those three sketches might represent the "rough draft of the rough draft" stage. The assistants would basically be finishing a painting from the artist's napkin doodle.
Goal
Find the answer that makes those three sketches look woefully inadequate.
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