instruction:
In this task, you will be given a sentence or two along with a change aspect. You should change the given text in the given aspect. Aspects are explained below:
 Tense: Change the tense of the verbs in the text. If they're in past tense, change them to present, and if they're in present tense, change them to past tense.
Number: Change the number of the nouns in the given text. Make plurals into singles and single into plurals. Remember to change the corresponding pronouns accordingly.
Voice: If the verbs are in active voice, change them to be passive, otherwise, change them to be in active voice.
Adverb: add one or multiple adverbs to the text.
Gender: If the text contains female names and pronouns, substitute them with male names and pronouns. Do the same for sentences with mala names and pronouns.
question:
sentence: John was doing research in the library when he heard a man humming and whistling . He was very annoyed . aspect: Tense
answer:
John is doing research in the library when he hears a man humming and whistling . He is very annoyed .


question:
sentence: Bob collapsed on the sidewalk . Soon he saw Carl coming to help . He was very concerned . aspect: Adverb
answer:
Bob suddenly collapsed on the sidewalk . Soon he saw Carl quickly coming to help . He was very concerned .


question:
sentence: Sid explained his theory to Mark but he couldn't understand him . aspect: Adverb
answer:

Sid diligently explained his theory to Mark but he couldn't understand him .