Here is how it works: You state two items/ things/ places/ etc... and then the person who replies must choose one of the two items and then prompt with 2 more items for the following person to respond to.
EX:
Person1 = red or black
Person2 = red; apples or oranges
Person3 = oranges; airplanerideor train ride
Person4 = airplane ride; coffee or cola
etc...
I'll start:
laptop or desktop computer