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: Each one pops a balloon and when I'm done, the top row is nothing but deflated pieces of latex.

SOLUTION: Present

PROBLEM: She exchanges a smile, then stretches her arms along her sides and stares at the ceiling.

SOLUTION: Present

PROBLEM: I shuffled my feet uncomfortably.

SOLUTION:
Past