Today we know that the earth rotates on its axis once a day, and revolves around the sun once a year.
(the earth; revolves; around the sun; T:once a year; T:once a day) (we; know; that the earth rotates on its axis once a day, and revolves around the sun once a year; T:Today) Context(we know,List([6, 13))):(the earth; rotates; )
we know,List([6, 13))
the earth we the earth
revolves know rotates
around the sun T:once a year T:once a day
that the earth rotates on its axis once a day, and revolves around the sun once a year T:Today