TASK DEFINITION: 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.
PROBLEM: at four-and-a-half years old he was left to fend for himself on the streets of northern italy for the next four years , living in various orphanages and roving through towns with groups of other homeless children.

SOLUTION: at four-and-a-half years old he was left to fend for himself on the streets of italy for the next four years , living in orphanages and roaming through towns with other homeless children.

PROBLEM: hydra appears to be spectrally neutral like charon and nix , though pluto is reddish.

SOLUTION: the light particles passing through the atmosphere of hydra , seem to create no color , as is the case with the pluto 's other two moons , charon and nix , though pluto itself is reddish.

PROBLEM: the most common symptoms of mi in women include dyspnea , weakness , and fatigue.

SOLUTION:
the most common signs of mi in women are , dyspnea , weakness and tiredness.