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: Suddenly the pair of soldiers in front of them stiffened.

SOLUTION: Past

PROBLEM: He snorts derisively : " in a test tube !

SOLUTION: Present

PROBLEM: " Fairy tales teach determination, perseverance and sacrifice.

SOLUTION:
Present