For example, a ``lunar eclipse'' occurs when the Earth's shadow falls on the Moon, preventing sunlight from illuminating all of its surface.
(a ``lunar eclipse; occurs; T:when the Earth's shadow falls on the Moon) (the Earth's shadow; falls; on the Moon) (sunlight; from illuminating; all of its surface)
a ``lunar eclipse the Earth's shadow sunlight
occurs falls from illuminating
T:when the Earth's shadow falls on the Moon
on the Moon
all of its surface