instruction:
In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
question:
Sentence: Estradiol causes the endometrium to thicken during a menstrual cycle. Question: What causes the endometrium to thicken during a menstrual cycle?
answer:
estradiol


question:
Sentence: Most digestion is completed in the duodenum. Question: Where is most digestion completed?
answer:
the duodenum


question:
Sentence: Four electron groups orient themselves into tetrahedron shape that has four faces. Question: Four electron groups orient themselves into what shape that has four faces?
answer:

tetrahedron