Are they brothers?
Yes they are
is she happy?
no she isn't
One man and (his/her) shoes
his
Are they boys?
No they aren't
(Is/Are) they girls?
Are
What's (his/her) name?
his
is the man walking?
no he isn't
is the phone green?
yes it is
is it a cat?
no it isn't
Are they dogs?
No they aren't
(is/are) the man running?
is
Is she strong?
Yes she is