TASK DEFINITION: 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".
PROBLEM: The rain persisted for over an hour before the pair decided it was time to head back to the river.

SOLUTION: Past

PROBLEM: It required delicate handling by the captors but was usually enough to stunt the prisoner's magic.

SOLUTION: Past

PROBLEM: " No clue. "

SOLUTION:
Present