( There ( ( ( are also ) ( six ( corresponding anti-leptons ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (ADVP (RB also)) (NP (CD six) (JJ corresponding) (NNS anti-leptons))) (. .)))
There are also six corresponding anti-leptons.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD six) (NNS types)) (PP (IN of) (NP (NNS leptons))))) (. .)))