Which sentence is punctuated correctly? Believe it means which sentence is correct 
 Dogs, cats, and hamsters are animals that you are unlikely to find in a zoo.√ 
 Dogs, cats and hamsters, are animals that you are unlikely to find in a zoo. 
 Dogs, cats, and hamsters are animals that you are, unlikely, to find in a zoo. 
 Dogs cats and hamsters are animals, that you are unlikely to find in a zoo.