Complex sentence: The teacher soon leaves work on maternity leave, for some time, the team is on hiatus.But when Suzuki goes to watch some sort of dolphin show, he decides to ask the dolphin trainer to be their coach.
Split into simpler sentences: The teacher soon leaves work on maternity leave, and for some time the team is on hiatus. However, when Suzuki watches a dolphin show he decides to ask the dolphin trainer to be their coach.