I know it needs to be heated up to melt the glue.
(it; to be heated up; to melt the glue) (I; know; it needs to be heated up) Context(I know,List([0, 6))):(it; needs; to be heated up to melt the glue)
I know,List([0, 6))
it I it
to be heated up know needs
to melt the glue
it needs to be heated up
to be heated up to melt the glue