(S (S (BASENP (NNS People)) (VP (VBP have) (VP (ADVP (RB also)) (VP (VBN been) (VP (VBN asked) (S (VP (TO to) (VP (VB check) (NP (BASENP (DT the) (ADJP (RBS most) (JJ vulnerable))) (COMMA ,) (PP (VBG including) (NP (NP (BASENP (DT the) (NN elderly)) (COMMA ,) (BASENP (DT the) (NN young))) (CC and) (BASENP (DT the) (NN sick))))))))))))) (PERIOD .))