Original sentence: 100 back.100 breast.100 fly.100 free.1500 free.200 IM.200 back.200 breast.200 fly.200 free.400 IM.400 free.4x100 Free Relay.4x100 Medley Relay.4x200 Free Relay.4x50 Free Relay.4x50 Medley Relay.50 back.50 breast.50 fly.50 free.800 free.Event  Long Course (50m)  Short Course (25m).backstroke    long course (50m)    short course (25m).breaststroke    long course (50m)    short course (25m).butterfly    long course (50m)    short course (25m).relays   long course (50m)    short course (25m)