Ineed on my spanish homework. putting words into its self . it’s really hard and i need 15 . we are using descriptive words

Does anyone know what my spanish teacher means by this? i need to use plural forms of the verb ser. and she asked me to use a couple of adjectives to describe the boys collectively and then the girls collectively?

Según el audio, ¿cuál fue la causa por la popularidad de alsonso berruguete? la causa por la popularidad de alonso berruguete fue

Ithink this is wrong. someone check this . i retook this and it said i was wrong i think. also this is not an exam since is deleting “dishonest” pictures. it’s homework. but i still want a correct answer pls.