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: " Technology changes every year.
Example Output: Present

Example Input: He tries to say it soberly but I can still hear the snigger in his voice.
Example Output: Present

Example Input: They sensed that they turned many corners until they heard a heavy wooden door opening.
Example Output:
Past