Pavlov's dog, for instance, must have learned that the sound of the bell was followed by feeding;
(Pavlov's dog; must have learned; that the sound of the bell was followed by feeding) Context(Pavlov 's dog must have learned,List([0, 45))):(the sound of the bell; was followed; by feeding)
Pavlov 's dog must have learned,List([0, 45))
Pavlov's dog the sound of the bell
must have learned was followed
that the sound of the bell was followed by feeding
by feeding