TASK DEFINITION: In this task, given a sentence in the English language, your task is to convert it into English Tokens.
PROBLEM: IE's various versions accounted for 70 percent of the market in 2009; this has dropped to approximately 56 percent today.

SOLUTION: IE 's various versions accounted for 70 percent of the market in 2009 ; this has dropped to approximately 56 percent today .

PROBLEM: "While it is not clear whether the AIF in the videotape made any overtly threatening gestures, it is clear that the Marines of 3/1, to include the corporal, were aware that feigning death was a common enemy TTP (tactics, techniques & procedures)."

SOLUTION: `` While it is not clear whether the AIF in the videotape made any overtly threatening gestures , it is clear that the Marines of 3/1 , to include the corporal , were aware that feigning death was a common enemy TTP -LRB- tactics , techniques & procedures -RRB- . ''

PROBLEM: Belgium covers an area of 30,528 km2 (11,787 square miles) and has a population of about 10.5 million.

SOLUTION:
Belgium covers an area of 30,528 km2 -LRB- 11,787 square miles -RRB- and has a population of about 10.5 million .