Sentence:  Sparrow size Virginia Gibson , with sparkling blue eyes and a cheerful smile , made a suitably perky Amy , while Melisande Congdon , as the real aunt , was positively monumental in the <WSD>very</WSD> best Gibson Girl manner . 
Meaning of the word marked with <WSD> tags:  used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal