Complex sentence: John-Jules'film career began in 1975 playing' Frog' in the short film "Seven Green Bottles", which was produced in conjunction with the Metropolitan Police and warned of the dangers and consequences of juvenile crime.
Split into simpler sentences: John-Jules film career began in 1975 playing'Frog' in the short file "Seven Green Bottles". The film was produced in conjunction with the Metropolitan Police and warned of the dangers and consequences of juvenile crime.