The pair you choose must be drawn from two different period styles. For example,

The pair you choose must be drawn from two different period styles. For example, you may compare an example of Abstract Expressionism with an example of Photo Realism. However, you may not compare an Abstract Expressionist work with another example of Abstract Expressionism
I have attached the rest of the instructions and what I sort of got so far. I am open to change artworks from same artists.