Given a statement, generate a question such that the answer is contained in that statement.

Ex Input:
eagle eggs are hard shells

Ex Output:
What type of shells are eagle eggs?

Ex Input:
internet is used for signals

Ex Output:
What is internet used for?

Ex Input:
Mosses, liverworts and hornworts occupy areas in moist habitats.

Ex Output:
Mosses, liverworts and hornworts occupy areas in what type of habitat?