Complex sentence: Tom notices that he is holding the white mouse and he ages about 100 years in his life, Tom tries fumbles to call the police, but the radio announcer comes back on the air with news that the mouse will not explode.
Split into simpler sentences: Tom notices that he is holding the white mouse and he ages about 100 years in his life. Tom then fumbles to call the police, but the radio announcer comes back on the air with news that the mouse will not explode.