( They ( ( predict ( that ( ( in ( ( ( 250 million ) years ) ( from now ) ) ) ( , ( ( the Earth ) ( will ( have ( ( ( ( clumped together ) ( into ( one ( large landmass ) ) ) ) , ) ( similar ( to Pangaea ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP predict) (SBAR (IN that) (S (PP (IN in) (NP (NP (QP (CD 250) (CD million)) (NNS years)) (PP (IN from) (NP (RB now))))) (, ,) (NP (DT the) (NN Earth)) (VP (MD will) (VP (VB have) (VP (VBN clumped) (ADVP (RB together)) (PP (IN into) (NP (CD one) (JJ large) (NNS landmass))) (, ,) (ADJP (JJ similar) (PP (TO to) (NP (NNP Pangaea)))))))))) (. .)))
They predict that in 250 million years from now, the Earth will have clumped together into one large landmass, similar to Pangaea.
(ROOT (S (NP (NNP Pangaea)) (VP (VBD began) (S (VP (VBG breaking) (ADVP (RB apart)) (ADVP (NP (QP (CD 250) (CD million)) (NNS years)) (RB ago))))) (. .)))