TASK DEFINITION: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
PROBLEM: A gene has been discovered that turns stem cells into cancer killers, promising new treatments that boost the body's ability to destroy tumors.

SOLUTION: A gene has been discovered that turns stem cells into cancer killers , promising new treatments that boost the body 's ability to destroy tumors .

PROBLEM: Population numbers affect the the amount of federal and state funding a city receives.

SOLUTION: Population numbers affect the the amount of federal and state funding a city receives .

PROBLEM: Investigators say there were ten bullet casings at the scene from a semiautomatic firearm.

SOLUTION:
Investigators say there were ten bullet casings at the scene from a semiautomatic firearm .