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: A frown claimed his lips when he couldn't find it in the rushes by where the plaid had lain.

SOLUTION: Past

PROBLEM: " But... " I hesitate, confused.

SOLUTION: Present

PROBLEM: " The barbs are sharp, " I warn her.

SOLUTION:
Present