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


question:
An image of the guy who had attacked her in the first terrifying dream invaded her thoughts.
answer:
Past


question:
Her eyes shone as she put a dramatic hand to her heart and sniffed.
answer:

Present