Note that an observer located at the local raisin would see raisins 1, 2, and 3 all move away from her during the video. what would an observer located at raisin 2 see?

Here is the answer. When an observer is located at the local raisin see raisins 1,2 and 3  move away from her during the video, what the observer located at raisin 2 would see is that raisin 1 and Raisin 3 both move away from her. Hope this answers your question. Have a great day!