Complex sentence: While more than one group in Iran have called themselves mujahideen, the most famous is the People's Mujahedin of Iran (PMOI), currently an Iraq-based Islamic Socialist militant organization that advocates the overthrow of Iran's current government.
Split into simpler sentences: While more than one group in Iran have called themselves mujahideen, the most famous is the People's Mujahedin of Iran (PMOI). Currently an Iraq-based Islamic Socialist militant organization that advocates the overthrow of Iran's current government.