( ( Weeds Weeds ) ( ( are ( plants ( that ( grow ( where ( we ( ( do n't ) ( want them ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Weeds) (NNS Weeds)) (VP (VBP are) (NP (NP (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VBP grow) (SBAR (WHADVP (WRB where)) (S (NP (PRP we)) (VP (VBP do) (RB n't) (VP (VB want) (NP (PRP them))))))))))) (. .)))
Weeds Weeds are plants that grow where we don't want them.
(ROOT (S (NP (NP (NNS Plants)) (SBAR (WHNP (WDT that)) (S (VP (VBP grow) (SBAR (WHADVP (WRB where)) (S (NP (PRP you)) (VP (VBP do) (RB n't) (VP (VB want) (NP (PRP them)))))))))) (VP (VBP are) (VP (VBN called) (NP (NNS weeds)))) (. .)))