( ( Dengue fever ) ( ( ( is also ) ( ( a ( ( very painful ) disease ) ) ( ( caused ( by mosquito ) ) ( carrying ( ( ( the ( dengue virus ) ) , ) ( which ( leads ( to ( ( a ( large amount ) ) ( of ( ( pain leading ) ( to death ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Dengue) (NN fever)) (VP (VBZ is) (ADVP (RB also)) (NP (NP (DT a) (ADJP (RB very) (JJ painful)) (NN disease)) (VP (VBN caused) (PP (IN by) (NP (NN mosquito))) (S (VP (VBG carrying) (NP (NP (DT the) (JJ dengue) (NN virus)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ leads) (PP (TO to) (NP (NP (DT a) (JJ large) (NN amount)) (PP (IN of) (NP (NP (NN pain) (VBG leading)) (PP (TO to) (NP (NN death)))))))))))))))) (. .)))
Dengue fever is also a very painful disease caused by mosquito carrying the dengue virus, which leads to a large amount of pain leading to death.
(ROOT (S (NP (NP (JJ Dengue) (NN fever)) (CC and) (NP (JJ yellow) (NN fever))) (VP (VBP are) (NP (NP (NNS examples)) (PP (IN of) (NP (NP (NNS diseases)) (VP (VBN caused) (PP (IN by) (NP (NN virus)))))))) (. .)))