[Q]: How does the sentence end?

The truck got damaged while it was transporting the steel because the 

[A]: steel is heavy.


[Q]: How does the sentence end?

My shampoo did not lather easily on my Afro hair because the 

[A]: shampoo is too little.


[Q]: How does the sentence end?

Adam showed up empty-handed to the housewarming party, while Joel brought a gift, because 

[A]:
Adam was rude.