Each student should test the other student's reaction time by using a centimeter ruler.
(Each student; should test; the other student's reaction time) Context(Each student should test,List([0, 24))):(Each student; should test the other student's reaction time by using; a centimeter ruler)
Each student should test,List([0, 24))
Each student Each student
should test should test the other student's reaction time by using
the other student's reaction time
a centimeter ruler