Mom (yes/no question)
Is Mom in the living room? - No, she isn't.
Dad (yes/no question)
Is Dad in the living room? - No, he isn't.
Grandpa (Yes/no question)
Is Grandpa in the kitchen? No, he isn't.
Rosy (yes/no question)
Is Rosy in the bathroom? - No, she isn't.
Mom and Dad (yes/no question)
Are Mom and Dad in the yard? - No, they aren't.
Make question with where (Grandma)
Where is Grandma? - She's in the dining room.
Make question with where (Rosy's aunt and uncle)
Where are Rosy's aunt and uncle? - They're in the dining room.
Grandma (yes/no question)
Is Mom in the kitchen? - No, she isn't.
Make question with where (Dad and Billy)
Where are Billy and Dad? - They're in the dining room.
Make question with where (Billy)
Where's Billy? - He's in the bedroom.