Grandmother (inferring)

What do you think we can infer in the following situations?Your room was in a mess this morning, and when you came home this afternoon it was all neat and clean. Your mother was the only one at home today.From this we can infer that ... . What do you think we can infer in the following situations?You come to school and there are no students in the classroom. From this we can infer that .... What do you think we can infer in the following situations?The principal comes into the class in the middle of the lesson.From this we can infer that ... . What do you think we can infer in the following situations?You see that your driving teacher is calling you.From this we can infer that ... .