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: If anyone was talking in riddles , it was Foley .

SOLUTION: Original

PROBLEM: It gives us some clarification , but I 'm not sure how long Stryker will abide by it . "

SOLUTION: Changed

PROBLEM: He looks just like someone 's stopped grandfather who has never gone in for a slew .

SOLUTION:
Changed