Problem: How does the sentence end?

George opted for both of them to use a knife instead of a gun in the duel because the 
Answer: gun could mortally injure them.

Problem: How does the sentence end?

The hair of Eric was dirtier than the hair of Brett because 
Answer: Brett shampooed more often.

Problem: How does the sentence end?

The structure from our window was worse than the building down town, because the 
Answer: structure was ugly.

Problem: How does the sentence end?

the tubs could not fit to the provided bathroom spaces, the 
Answer:
spaces were too small.