Question:
Ian bought a new cane at the medical supply store for Justin, because

Answer:
Continue the sentence -- Justin was injured.

Question:
Ryan asked Derrick for advice on how to get the plant to grow because

Answer:
Continue the sentence -- Ryan had a black thumb.

Question:
Lawrence wanted a dog for a pet and Benjamin wanted a cat because

Answer:
Continue the sentence -- Benjamin preferred cats inside and dogs outside.

Question:
Since Victoria had to make a model of the solar system and Lindsey was a scientist,

Answer:
Continue the sentence -- Victoria asked for help to make it.