Original: Led by a charismatic Friends of SNCC student activist named Mario Savio, upwards of three thousand students surrounded a police car in which a student, arrested for setting up a card table in defiance of a ban by the University, was being taken away.
Simplified: Led by a Friends of SNCC student activist named Mario Savio, more than three thousand students surrounded a police car where a student, arrested for setting up a card table against a ban by the University, was being taken away.