(S (S (BASENP (DT The) (NN trio)) (VP (ADVP (RB also)) (VP (VBD suffered) (NP (NP (NP (BASENP (NN altitude) (NNS sickness)) (COMMA ,) (BASENP (NN vertigo))) (COMMA ,) (BASENP (ADJP (JJ massive) (COMMA ,) (JJ painful)) (NNS blisters))) (CONJP (COMMA ,) (CC and)) (NP (BASENP (NNS temperatures)) (ADJP (ADJP (ADJP (RB as) (JJ low)) (IN as)) (BASENP (JJ minus) (NN 40)))))))) (PERIOD .))