Write the next sentence in this paragraph:

A boy is using a pretend vaccuum cleaner inside a house. Beside him, a man is using a real vacuum on a rug. together

Choices: I. , they are cleaning the house.; II. , they clear it from the hardwood floors.; III. , the two recuse as the wets the object and vacuums it.; IV. , they go from the floor to ceiling.;
I.