Q: Passage: The 2018 FA Cup Final was the final match of the 2017 -- 18 FA Cup and the 137th final of the FA Cup, the world's oldest football cup competition. It was played at Wembley Stadium in London, England on 19 May 2018 between Manchester United and Chelsea. It was the second successive final for Chelsea following their defeat by Arsenal the previous year.

Question: Based on this passage, what teams are in the fa cup final? Let's give stream of consciousness first:
This is the relevant information: It was played at Wembley Stadium in London, England on 19 May 2018 between Manchester United and Chelsea. Therefore, the final answer is Manchester United.