Problem: How does the sentence end?

Working on xlab research hits on mechanical turk was easier for Kyle than Kevin because 
Answer: Kevin did not have a lively imagination.

Problem: How does the sentence end?

Lawrence always got nervous when they were around Adam, because 
Answer: Adam tended to by mean.

Problem: How does the sentence end?

The lumberjack tried to cut the tree down with the ax but the 
Answer: tree was too strong.

Problem: How does the sentence end?

The kid liked the basic breakfast of oatmeal, but not the cheap orange juice, because the 
Answer:
oatmeal tasted good.