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: " I certainly did, " he exclaimed, sitting next to her and diving into his own plate.

SOLUTION: Past

PROBLEM: And so they shopped with reckless abandon as they celebrated mankind's final victory over the " Aliens ".

SOLUTION: Past

PROBLEM: She retreated to a chair.

SOLUTION:
Past