Jill and all of her coworkers wear blue uniforms Quinn works

Jill and all of her co-workers wear blue uniforms. Quinn works with Jill. Gale does not wear a blue uniform. Everyone who wears a blue uniform also wears a white shirt. Based on the information above, which of these statements MUST be true? Gale wears a white shirt. Gale does not work with Jill. Some of Jill\'s co-workers do not wear white shirts. Gale is a co-worker of Jill. Jill does not wear a white shirts.

Solution

Since Gale doesn\'t wear blue uniform so it is not nessecary that he wears white shirt

Gale doesn\'t work with Jill since he doesn\'t wear blue uniform

so

Option (b) is correct