Transformation U: Lilly & Mark group up at the zoo

Mark said "I'll go with lilly" everyone got in their pairs.Mark and Lilly stood and talked for a second Mark asked Lilly " what exhibit do you want go to first?" Lilly answered "I want to see the monkeys what about you?" Mark answered" I'd much rather see the donkeys but we will go see the monkeys first its no big deal" Lilly said "no we will go to the donkeys first if you want too" Mark said " I have a an idea since we have a conflict here why don't I flip a coin heads we to the monkeys first tail the donkeys first". Mark flipped the coin it landed on...?