He assigns students to groups and keeps a journal noting down his observations over a period of two weeks.
(He; assigns; students; to groups) (He; keeps; a journal noting down his observations over a period of two weeks) Context(He keeps,List([0, 39))):(He; keeps noting down; his observations over a period of two weeks)
He keeps,List([0, 39))
He He He
assigns keeps keeps noting down
students to groups
a journal noting down his observations over a period of two weeks
his observations over a period of two weeks