So many seemingly contrary and opposing factors combine to make it unique.
( So ( ( many ( ( seemingly ( ( contrary and ) opposing ) ) factors ) ) ( ( combine ( to ( make ( it unique ) ) ) ) . ) ) )
(ROOT (S (IN So) (NP (JJ many) (ADJP (RB seemingly) (JJ contrary) (CC and) (JJ opposing)) (NNS factors)) (VP (VBP combine) (S (VP (TO to) (VP (VB make) (S (NP (PRP it)) (ADJP (JJ unique))))))) (. .)))
This does not exist anywhere else on earth.
( This ( ( ( does not ) ( ( exist ( anywhere else ) ) ( on earth ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ does) (RB not) (VP (VB exist) (NP (RB anywhere) (RB else)) (PP (IN on) (NP (NN earth))))) (. .)))