Simplify the following text for a Grade 7 native English-speaking person.
Original: While agreeing with the Commission that Oswald fired all the shots which caused the wounds to Kennedy and Governor Connally , it stated that there were at least four shots fired and that there was a `` high probability '' that two gunmen fired at the President .
Simplified: They agree with the Commission that Oswald fired all the shots . However , they say that there were at least four shots fired and that there was it was very likely that two gunmen fired at the President .