(S (S (BASENP (NNS People)) (VP (VBP have) (VP (VBN been) (VP (VBN advised) (S (VP (TO to) (VP (VP (VP (VB drink) (NP (BASENP (NN plenty)) (PP (IN of) (BASENP (NN water))))) (COMMA ,) (VP (RB not) (VP (VP (VB go) (PRT (RP out))) (PP (IN in) (BASENP (DT the) (NN midday) (NN sun)))))) (CC and) (VP (VP (VB keep) (S (BASENP (NNS curtains)) (ADJP (JJ closed)))) (S (VP (TO to) (VP (VB cool) (BASENP (NNS rooms))))))))))))) (PERIOD .))