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".

[EX Q]: A large truck with a massive silver grille squealed to a sudden stop.
[EX A]: Past

[EX Q]: " Knox... " I hiss between clenched teeth.
[EX A]: Present

[EX Q]: The girl's hands balled into fists.
[EX A]:
Past