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".

Q: What replaced it was that unsettling look of blankness.

A: Past
****
Q: I froze, my heart racing, and looked up at her again.

A: Past
****
Q: " Back up, marshal. "

A:
Present
****