They cause your mouth to produce saliva and your stomach to begin secreting juices important to digesting food.
(They; cause; your mouth to produce saliva and your stomach) Context(They cause,List([0, 10))):(your mouth; to produce; saliva and your stomach)
They cause,List([0, 10))
They your mouth
cause to produce
your mouth to produce saliva and your stomach
saliva and your stomach