Question 16 1 pts John is running to catch his bus and a helpful bus company employee pushes him onto the bus. But John drops a bag of marbles. Sam steps on a marble, falls, and drops his water bottle. Sue trips over the water bottle, falls, and knocks over a bus stop sign. The sign hits Ann on the head and injures her. The question of whether or not the bus company is liable for Ann's injury is a good example of the problem of: O affirmative duty to act assumption of risk Ostrict liability foreseeability