The roots are surrounded by millions of organisms, most of which also need oxygen to live.
(most of which; also need; oxygen to live) Context(most of which also need,List([51, 74))):(The roots; are surrounded; by millions of organisms) Context(most of which also need,List([51, 74))):(most of which; also need oxygen to live to live; )
most of which also need,List([51, 74)) most of which also need,List([51, 74))
most of which The roots most of which
also need are surrounded also need oxygen to live to live
oxygen to live
by millions of organisms