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".

Example Input: Chapter 3 Laci gritted her teeth as she unlocked her car door.
Example Output: Past

Example Input: " When Burroughs Wellcome submitted it to the FDA for approval as a treatment for AIDS.
Example Output: Past

Example Input: " And a witness. "
Example Output:
Present