experiment should be repeated several times for the sake of consistency, and students could vary it using different types of food.
(experiment; should be repeated; T:several times; T:for the sake of consistency) (students; could vary; it) Context(students could vary,List([77, 96))):(students; could vary it using; different types of food)
students could vary,List([77, 96))
experiment students students
should be repeated could vary could vary it using
T:several times T:for the sake of consistency
it
different types of food