Meaning representation: request_explanation(release_year[2004], rating[excellent])
Utterance: You often mention 2004 as the best year for games. What was it about the games released that year that makes you love them so much?
Utterance: What made 2004 such an excellent year for games?
Utterance: So I've gotten curious now, what is it about games released in 2004 that causes you to rave about how awesome they are all the time?