They require that the large ice sheet on Greenland and the one in Antarctica melt.
(They; require; that the large ice sheet on Greenland and the one in Antarctica melt) Context(They require,List([0, 12))):(the large ice sheet on Greenland and the one in Antarctica; melt; )
They require,List([0, 12))
They the large ice sheet on Greenland and the one in Antarctica
require melt
that the large ice sheet on Greenland and the one in Antarctica melt