Line 1: Pineapple, lemon, and orange are all edible fruits. But the book cannot be eaten, it can only be read
Line 2: Picture 1, picture 2 and picture 4 are all scenes at the circus, but picture 3 is a scene in the hospital.
Line 3: Picture 2, picture 3 and picture 4 are all pictures of you playing sports. As for picture 1, the male friend is having breakfast.
Line 4: Picture 1, picture 2 and picture 4 are all flying animals such as flies, birds and bats. And picture 3 is a cat so it can't fly.