Problem: How does the sentence end?

I enjoyed doing things with my group more than with the company, because the 
Answer: company was lame.

Problem: How does the sentence end?

The case kept opening by itself because of the box kept in it because the 
Answer: case is too small.

Problem: How does the sentence end?

Frustration was a daily part of Robert's life and not Lawrences, since 
Answer: Lawrence was a patient person.

Problem: How does the sentence end?

Given the choice between morning and evening classes, John chose the 
Answer:
morning ones because he enjoyed getting up early.