SRL for [lightened up]: However , Balaji [lightened up] the mood further by remarking , ' Hmm , looks like we are not the only father and son out for a stroll tonight . '
ARG-M-DIS: However | ARG-0: Balaji | ARG-1: the mood | ARG-M-EXT: further | ARG-2: by remarking , ' Hmm , looks like we are not the only father and son out for a stroll tonight . '