TASK DEFINITION: In this task, you are given a sentence. You must judge whether a single noun or verb has been replaced with another word with the same part of speech. The inversion would result in the sentence sounding unnatural, So unnatural sentences will be considered changed. Label the instances as "Original" or "Changed" based on your judgment.
PROBLEM: I jumped in Colt 's truck and grabbed the keys from the RV .

SOLUTION: Changed

PROBLEM: For a second it seems she intends to reach for the contraption hanging off the oxygen tank but then she decides against it .

SOLUTION: Original

PROBLEM: About ten feet out his head popped out of the water and he took out his mouthpiece .

SOLUTION:
Original