They are ...
SISTERS.
Dogs can ...
RUN.
She is my ...
GRANDMA.
He is ...
TALKATIVE.
My sister is a ... CHILD / TEENAGER.
TEENAGER
My brother is a ... BABY / CHILD.
CHILD
Can kangaroos jump?
Yes, they can.
He is my ...
GRANDPA.
Is he cool?
Yes, he is.
Is she smart?
Yes, she is.
She is ...
CALM.
They are ...
BROTHERS.
Can birds fly?
Yes, they can.
He is ...
FUNNY.
Can fish walk?
No, they can't.