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: Father tends to sleep late, so I go down to the Tree and spend that part of the day with mother.

SOLUTION: Present

PROBLEM: But with HIV, any attempts to purify it and then photograph it using standard techniques have been total failures. "

SOLUTION: Present

PROBLEM: " The tumbler uses a bitcoin. "

SOLUTION:
Present