instruction:
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".
question:
Though far and wide the pack must go All borders they disdain.
answer:
Present


question:
He sniffed, but didn't smell a wolf.
answer:
Past


question:
Bob stops to take off his boots by the front door.
answer:

Present