In this task you are given a sentence. You must judge whether the main verb of the sentence is in present or past tense. Label the instances as "Present" or "Past" based on your judgment. If there is no verb in the given text, answer "Present".

[EX Q]: He stares into space, and the only way I can tell that he's livid is the tightening of his jaw.
[EX A]: Present

[EX Q]: " I don't think I can sleep anymore tonight, " she mumbled.
[EX A]: Present

[EX Q]: Knock it off.
[EX A]:
Past