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: Since when does Canada negotiate with rogue States ? "

SOLUTION: Present

PROBLEM: Mitchell stormed into the house.

SOLUTION: Past

PROBLEM: " And what brings a scientist from North Jersey to Arizona to dig a national treasure out of an old barn ? "

SOLUTION:
Present