Choose the hypothesis for the controlled experiment that answers this question: Does sunlight cause dyes in clothing to fade?"

A. You cannot determine whether the sunlight causes the dyes in clothing to fade.

B. If exposed to direct sunlight over a period of two weeks, then dyes in clothes will begin to fade.

C. Heat causes dyes in cloth to fade over a period of one week.

D. Dyes in the cloth are created to withstand fading when washed in a washing machine.