Where do students stick gum in school?\nOptions:\n- books\n- sidewalk\n- water fountain\n- shelf\n- movies
Think hard. Detailed solution:
water fountain
Water fountain is a place where people drink water.

Gum is a chewing gum that people chew casually.

One cannot drink water while chewing gum so they remove it.

People usually stick the gum around a place where they remove it from their mouths.

.

The final answer: water fountain