Complex sentence: However, the Patriots are still controlling his actions with his commanding officer being revealed to be a computer generated A.I. created by them, The Patriots also made one of their spies, Rosemary, become Raiden's girlfriend, although the two ended up falling in love.
Split into simpler sentences: However, the Patriots are still controlling his actions with his commanding officer being revealed to be a computer generated A.I. created by them. They also made one of their spies, Rosemary, become Raiden's girlfriend, although the two ended up falling in love.