We've used up most of the wood, now we've got to go underground and use fossil fuels.
(we; 've got; to go underground and use fossil fuels; T:now) Context(we 've got,List([36, 45))):(We; 've used up; most of the wood) Context(we 've got,List([36, 45))):(we; 've got to go; underground) Context(we 've got,List([36, 45))):(we; 've got to use; fossil fuels)
we 've got,List([36, 45)) we 've got,List([36, 45)) we 've got,List([36, 45))
we We we we
've got 've used up 've got to go 've got to use
to go underground and use fossil fuels T:now
most of the wood
underground
fossil fuels