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.
Input: normally a pawn moves by advancing a single square , but the first time each pawn is moved from its initial position , it has the option to advance two squares.
Output:
normally a pawn moves ahead by a single square , but the first time each pawn is moved from its first spot , it may move ahead two squares.