Teacher: Given a statement, generate a question such that the answer is contained in that statement.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Neurons deliver electrical impulses to other cells
Solution: What do neurons deliver to other cells?
Reason: The question generated is valid regarding the information in the statement.

Now, solve this instance: Placental mammals get oxygen from the atmosphere.
Student:
What type of mammals get oxygen from the atmosphere?