W: Is John with you? He is not in the kitchen.

M: He isn’t here. Maybe he is on the second floor.

W: Please go"and"see. 

M: OK. … Oh, he is not in his room.

W: Is he in our room?

M: No, he is not here.

W: Where is he then?

M: Oh, he is here — in the bathroom.

W: What is he doing there?

M: He is cleaning his shoes with your toothbrush!