**************** INPUT ****************
"The most popular chimneys were those which connected below with the
basement, and served, therefore, as warm air flues. In such chimneys
the temperature reached 70 degrees. Little wonder that the birds
preferred these chimneys . . . I" The two following quotations describe
very unusual departures from the swift's regular habit of roosting.
**************** EXPECTED ****************

preferred these chimneys . . . I" The two following quotations describe
    Line 4 column 53 - Query I=exclamation mark?

preferred these chimneys . . . I" The two following quotations describe
    Line 4 column 55 - endquote missing punctuation?