Are they sad?
Yes, they are
Is she sad?
Yes, she is
(We are/ he is) ... hungry
He is hungry
Is she cold?
No, she isn't
(They are / she is) ... cold
she is cold
Is she cold?
Yes, she is
(They are / It is) ... hot
They are hot
(He is / it is)... hungry
It is hungry.
Is he thirsty?
Yes, he is
(He is/ She is)... happy
He is happy
Are they hungry?
No, they aren't.