( ( Convergent ( Plates ( Convergent plates ) ) ) ( ( are ( boundaries ( ( in which ) ( ( two plates ) ( are ( moving ( towards ( each other ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Convergent) (NNP Plates) (NNP Convergent) (NNS plates)) (VP (VBP are) (NP (NP (NNS boundaries)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (CD two) (NNS plates)) (VP (VBP are) (VP (VBG moving) (PP (IN towards) (NP (DT each) (JJ other))))))))) (. .)))
Convergent Plates Convergent plates are boundaries in which two plates are moving towards each other.
(ROOT (S (NP (DT A) (JJ convergent) (NN plate) (NN boundary)) (VP (VBZ is) (VP (VBN created) (SBAR (WHADVP (WRB when)) (S (NP (CD two) (NNS plates)) (VP (VBP come) (PP (IN toward) (NP (DT each) (JJ other)))))))) (. .)))