Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
Overlapping food web an eagle, a land eater, goes and gets fish from the sea, as well, its called.

Ex Output:
When an eagle, a land eater, goes and gets fish from the sea, as well, its called?

Ex Input:
Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called coral reefs.

Ex Output:
Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called what?

Ex Input:
Sliding friction is friction that acts on objects when they are sliding over a surface.

Ex Output:
What type of friction is friction that acts on objects when they are sliding over a surface?