( ( ( Vessels and ) capillaries ) ( ( ( tear , ) ( leaking blood ) ) . ) )
(ROOT (S (NP (NNS Vessels) (CC and) (NNS capillaries)) (VP (VBD tear) (, ,) (S (VP (VBG leaking) (NP (NN blood))))) (. .)))
Vessels and capillaries tear, leaking blood.
(ROOT (S (NP (NNS Capillaries)) (VP (VBP are) (NP (NP (DT the) (JJS smallest) (NN type)) (PP (IN of) (NP (NN blood) (NNS vessels))))) (. .)))