[Q]: How does the sentence end?

During the day, Adam preferred to sleep on the sofa instead of the bed because the 

[A]: sofa was more comfortable.


[Q]: How does the sentence end?

Even after only dating for three months, Christine fell in love with Erin because 

[A]: Christine was very obsessive.


[Q]: How does the sentence end?

The woman tried to comb the child's hair with the brush but the 

[A]:
hair was too tough.