( ( Never ( ( look directly ) ( at ( ( ( ( the Sun ) , ) ( ( eclipsed or ) otherwise ) ) ( , ( ( without ( proper ( protective eyewear ) ) ) . ) ) ) ) ) ) ( ( ( The ( Sun 's ) ) ( UV radiation ) ) ( ( can ( ( ( ( ( burn ( the retinas ) ) ( in ( your eyes ) ) ) , ) and ) ( cause ( ( ( ( permanent damage ) or ) even ) blindness ) ) ) ) . ) ) )
(ROOT (S (S (ADVP (RB Never)) (VP (VB look) (ADVP (RB directly)) (PP (IN at) (FRAG (NP (NP (DT the) (NNP Sun)) (, ,) (ADJP (JJ eclipsed) (CC or) (RB otherwise))) (, ,) (PP (IN without) (NP (JJ proper) (JJ protective) (NN eyewear))) (. .))))) (NP (NP (DT The) (NNP Sun) (POS 's)) (NNP UV) (NN radiation)) (VP (MD can) (VP (VP (VB burn) (NP (DT the) (NNS retinas)) (PP (IN in) (NP (PRP$ your) (NNS eyes)))) (, ,) (CC and) (VP (VB cause) (NP (NP (JJ permanent) (NN damage)) (CC or) (RB even) (NP (NN blindness)))))) (. .)))
Never look directly at the Sun , eclipsed or otherwise, without proper protective eyewear. The Sun’s UV radiation can burn the retinas in your eyes, and cause permanent damage or even 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)))) (. .)))