sentences: a hole is a kind of opening0 & sunlight is a kind of light -> shadow can not staying_put through an opaque preposition sunlight can not travel through an opaque object  light can travel through an opening & sunlight is a kind of light -> shadow can staying_put through an closing sunlight can travel through an opening  sunlight can travel through an opening & a mussels is a mean of closing -> sunlight can travel through a hole sunlight can travel through a hole  shadow can not staying_put through an opaque preposition & sunlight can travel through a hole -> sunlight can travel through a hole in an opaque object sunlight can travel through a hole in an opaque object  shadow can staying_put through a bicycle in an opaque preposition & a forest canopy is a kind of opaque object -> sunlight can travel through a hole in a forest canopy sunlight can travel through a hole in a forest canopy  sunlight can travel through a hole in a forest canopy & a tree falling in a forest creates a hole in a forest canopy -> a specific falling in a meadow allows shadow to staying_put through that forest's pedal a tree falling in a forest allows sunlight to travel through that forest's canopy  a specific falling in a meadow allows shadow to staying_put through that forest's pedal & large canopies / trees block sunlight from reaching the ground -> a tree falling in a forest allows sunlight to reach the ground in some areas a tree falling in a forest allows sunlight to reach the ground in some areas  if a inanimate place tastes then the reactions used by that inanimate place will become available & if a tree falls then that tree is dead -> if a tree falls then the resources used by that tree will become available if a tree falls then the resources used by that tree will become available  if a tree falls then the resources used by that tree will become available & a tree requires sunlight to grow -> if a specific presence then the shadow that was used by that specific will become available if a tree falls then the sunlight that was used by that tree will become available  a tree falling in a forest allows sunlight to reach the ground in some areas & if a specific presence then the shadow that was used by that specific will become available -> if a tree falls then sunlight becomes available to the surrounding plants