Complex sentence: When Tony presents Hugh with a Beretta rifle, his gift warrants a condescending comment from one of Mary's friends, informing the partygoers that the best Berettas never leave Italy.
Split into simpler sentences: When Tony presents Hugh with a Beretta rifle, his gift warrants a condescending comment from one of Mary's friends. He informs the partygoers that the best Berettas never leave Italy.