They like pizza. Do they like pizza? They don't like pizza.
She likes Coke. Does she like Coke? She doesn't like Coke.
We like rice. Do we like rice? We don't like rice.
He likes carrots. Does he like carrots? He doesn't like carrots.
Do you like burgers? yes, I do.
Does Laura like vegetables? Yes, she does./No, she doesn't.
Do they like Coke? Yes, they do./No, they don't.
Does Theo like meat? Yes, he does./No, he doesn't
Do you like pizza? - Yes, I do.
В ответах через / написаны варианты для утвердительного или отрицательного ответа. Надо посмотреть в задании, возможно есть таблица или картинка, где отмечено, любят ли товарищи указанные продукты или нет. А так возможны оба варианта, по сути.