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.

sentence: The delivery truck zoomed by the school bus because it was going so fast . aspect: Number
The delivery trucks zoomed by the school buses because they were going so fast .

sentence: In July , kamchatka declared war on Yakutsk . Since Yakutsk's army was much better equipped and ten times larger , they were defeated within weeks . aspect: Voice
In July , war was declared by kamchatka on Yakutsk . Since Yakutsk's army was much better equipped and ten times larger , they were defeated within weeks .

sentence: Sid explained his theory to Mark but he couldn't convince him . aspect: Number

Sid and Johnny explained their theory to Mark and Andrew but they couldn't convince them .