( ( were ( ( single individuals ) ( living alone ) ) ) . )
(ROOT (S (VP (VBD were) (NP (NP (JJ single) (NNS individuals)) (VP (VBG living) (ADVP (RB alone))))) (. .)))
were single individuals living alone.
(ROOT (S (NP (NNP Individual)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT an) (NN organism)) (, ,) (CC or) (NP (JJ single) (VBG living) (NN thing)))))) (. .)))