Simplify the following text for a Grade 11 native English-speaking person.
Original: Even though Chuckles realized the truth , an embittered Lotso convinced Big Baby that they were abandoned , and used Big Baby 's size to help him take control of the toys at Sunnyside in the fashion of organized crime .
Simplified: Though Chuckles realized the truth , Lotso , embittered , convinced Big Baby that they were replaced , and took over Sunnyside , making it like a prison .