Complex sentence: Thinking that his original appliances have been stolen, Rob and Chris return to his apartment, where his black and white television, who originally lived with the appliances, broadcasts fake advertisements and convinces Rob and Chris to look at Ernie's Disposal for replacements.
Split into simpler sentences: Thinking that his original appliances have been stolen, Rob and Chris return to his apartment. Rob's black and white television, who originally lived with the appliances, broadcasts fake advertisements and convinces Rob and Chris to look at Ernie's Disposal for replacements.