Complex sentence: Chatzivrettas was a member of the senior men's Greek national team that won the gold medal at the EuroBasket 2005, and also the silver medal at the 2006 FIBA World Championship.
Split into simpler sentences: Chatzivrettas was a member of the senior men's Greek national team. He also won the gold medal at the EuroBasket 2005, and the silver medal at the 2006 FIBA World Championship.