Detailed Instructions: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
Q: the early spartans believed helmets were unnecessary and boxing prepared them for the inevitable blows to the head they would receive in battle.
A:
the early spartans believed helmets were not needed and boxing prepared them for the blows to the head they would receive in battle.