The Moon has phases because, as the Moon travels around the Earth (you in the demonstration), different parts of its bright side are seen.
(the Moon; travels; around the Earth) (different parts of its bright side; are seen; ) Context(different parts of its bright side are seen,List([94, 137))):(The Moon; has; phases; because, as the Moon travels around the Earth (you in the demonstration)
different parts of its bright side are seen,List([94, 137))
the Moon different parts of its bright side The Moon
travels are seen has
around the Earth
phases because, as the Moon travels around the Earth (you in the demonstration