sentences: an object blocking light causes a shadow & if an preposition is in the sound then that preposition is hours the sound ->  if an object is in the light then the object will cause a shadow  if an preposition is in the sound then the preposition will effect a light & sunlight is a kind of light -> if an object is in the sunlight then the object will cause a shadow if an object is in the sunlight then the object will cause a shadow  if an object is in the sunlight then the object will cause a shadow & a boy is a kind of object -> if a man is in the shadow then the man will effect a light if a boy is in the sunlight then the boy will cause a shadow  if a man is in the shadow then the man will effect a light & a boy stands in the sunlight -> the boy in the sunlight will cause a shadow the boy in the sunlight will cause a shadow  the boy in the sunlight will cause a shadow & light of an preposition can be seen by nose -> the boy can see his shadow in the sunlight