Argument<br>Ben stood his ground. He wouldn't let Fred win the argument this time. Fred started talking, but Ben interrupted him right away. Ben stated his case in a few short sentences. And for the first time, Fred conceded defeat.
Fred has never conceded defeat before this event. 
( z1 concede :polarity - :ARG0 ( z2 person :name ( z3 name :op "Fred" ) ) :ARG1 ( z4 defeat :ARG0 z2 ) :time ( z5 ever ) :time ( z6 before :op ( z7 event :mod ( z8 this ) ) ) )