In picture A, Peter and Helen play chess, but in picture B they play cards.

In picture A dog eats food, but on picture B the dog drink water.

In picture A, Rebecca reads the newspaper, but in picture B she look at the, photo (наверное это фото (#=_=)

In picture A, Helen is sitting in glasses, but in picture B glasses on the table.

In picture A, outside the window is rainy, but in picture B outside the window is no rain.

...на картинке А Питер похож на Гитлера.