Which of the following groups of people still differ in their views on diversity

A．They want to return to nature.
B．They want to eat all kinds of foods.
C．Natural foods are very delicious.
D．They are more health conscious.

A．Chickens are fed on food which is little better than garbage.
B．Chickens live in very crowded condition.
C．The eggs chickens produce lack vitamins.
D．Chickens are free to move about.