instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: When gas particles collide, what kinds of collisions are these considered? Answer: elastic
answer:
When gas particles collide, these collisions are considered elastic.


question:
Question: What is the smallest unit of time commonly based on? Answer: second
answer:
Second is the smallest unit of time commonly based on.


question:
Question: Which blood pressure is highest when the heart contracts during ventricular systole? Answer: arterial
answer:

Arterial blood pressure is highest when the heart contracts during ventricular systole.