What is the fine-grained topic of the following text: Although he was firm in saying that hes happy for the couple who are tying the knot next month, John, in an interview with Push.com.ph and other members of the press at the backstage of the recently-concluded Tulong Na, Tabang Na, Tayo Na: An All-Star Benefit concert held in Araneta Coliseum, answered a curt wala pa naman when asked if he had been advised about Melasons wedding details. Only return the topic.
John's response about Melason's upcoming wedding details