Write a short story about a detective solving a crime

What is the central idea in this advice from branch rickey to jackie robinson?  

They also make slight swaying movements to mimic leaves and grass moved by the wind. based on the text, to mimic is most likely which of the following? avoid copy make mock

“third, all reviewers have a bias – no matter how impartial they try to be, opinions on movies are just that: opinions. this isn’t necessarily a bad thing: if you read a review by a critic that you know prefers foreign films, you know how seriously you should take his scathing critique of ironman.” according to this passage, all reviewers a. prefer foreign films c. have bias b. hated the movie ironman d. refuse to watch popular films