( ( Looking ( at ( the Sun ) ) ) ( ( ( ( is dangerous ) and ) ( can ( result ( in ( ( ( serious ( eye damage ) ) or ) blindness ) ) ) ) ) . ) )
(ROOT (S (S (VP (VBG Looking) (PP (IN at) (NP (DT the) (NNP Sun))))) (VP (VP (VBZ is) (ADJP (JJ dangerous))) (CC and) (VP (MD can) (VP (VB result) (PP (IN in) (NP (NP (JJ serious) (NN eye) (NN damage)) (CC or) (NP (NN blindness))))))) (. .)))
Looking at the Sun is dangerous and can result in serious eye damage or blindness.
(ROOT (S (S (VP (VBG Looking) (ADVP (RB directly)) (PP (IN at) (NP (DT the) (NN sun))))) (VP (MD can) (VP (VB cause) (NP (NN blindness)))) (. .)))