11.   This apparently made them less threatening or provocative or whatever it is that bugs the male cadets other than women who happen to share the same classroom with them.

12.   Thus, each individual in an identical set might thrive being in the same classroom even until high school, while individuals in a fraternal set might wither.

13.   Can boys and girls of the same age sit in the same classroom if the girls are several years behind?

14.   All of them had worked in the same classroom at the Gerardmer industrial college.