( ( Cohesion ( of water ) ) ( also ( ( causes ( ( ( ( surface tension ) , ) ( ( water 's ) ( invisible skin ) ) ) ( which ( allows ( ( water striders ) ( to ( walk ( on water ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (NNP Cohesion)) (PP (IN of) (NP (NN water)))) (ADVP (RB also)) (VP (VBZ causes) (NP (NP (NN surface) (NN tension)) (, ,) (NP (NP (NN water) (POS 's)) (JJ invisible) (NN skin)) (SBAR (WHNP (WDT which)) (S (VP (VBZ allows) (S (NP (NN water) (NNS striders)) (VP (TO to) (VP (VB walk) (PP (IN on) (NP (NN water))))))))))) (. .)))
Cohesion of water also causes surface tension, water's invisible skin which allows water striders to walk on water.
(ROOT (S (NP (JJ Surface) (NN tension)) (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (DT the) (NN fact)))) (SBAR (IN that) (S (NP (JJ small) (NNS insects)) (VP (MD can) (VP (VB walk) (PP (IN on) (NP (NN water)))))))) (. .)))