QUES:
Who is its in the following sentence?

Bengali is morphologically richer than English, so its vocabulary is larger.

ANS:
Bengali


QUES:
Who is they in the following sentence?

Lions eat zebras because they are predators.

ANS:
Lions


QUES:
Who is he in the following sentence?

Bill was able to steal the banana from Ken because he was quick.

ANS:

Bill