Please answer the following question: More particles inside the container means more collisions, and more collisions mean a higher pressure.  Having read the above passage, choose the right answer to the following question (choices are Sara's or Tyler's ):   Sara is in a container representing an object. Her container has 30 balls flying around, representing particles. Tyler is in another container, and his contains 5 balls. Which person's container likely would be under the most pressure Sara's or Tyler's?
A:
Sara's