[Q]: How does the sentence end?

The reason that Jason ate quickly while William did not eat another bite was because 

[A]: William was full.


[Q]: How does the sentence end?

Every night, Ian was able to sleep much shorter than Matthew. 

[A]: Matthew always woke up relaxed.


[Q]: How does the sentence end?

In the lagoon Emily swam in the nude while Felicia opted for a full body swimsuit. 

[A]:
Emily was very free with showing their body.