Spring arrives when the earth is tilted so that the sun is directly over the equator.
(Spring; arrives; T:when the earth is tilted so that the sun is directly over the equator) (the earth; is tilted; ) (the sun; is directly; over the equator)
Spring the earth the sun
arrives is tilted is directly
T:when the earth is tilted so that the sun is directly over the equator
over the equator