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".
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Question: He exhaled harshly, his breath ruffling the hair atop her head.

Answer: Past


Question: It provided a minimal existence, and in time we learned more and more about our benefactors.

Answer: Past


Question: But as they watched, it shrank and vanished.

Answer:
Past