He shook my hand and was smiling and then immediately thereafter he grabbed both of my breasts, one hand on each breast, quite firmly, and laughed. He was still very excitable and very happy to be there, but there seemed to be a sudden shift of atmosphere from [the complainant]. I was a bit stunned. It was very confident, I would say. It was a solid grab and then, after a period of a couple of seconds, I think, he let go and was laughing.
The person did not feel as if they were assaulted by the grabber
( z0 feel :ARG0 ( z1 person ) :ARG1 ( z2 assault :ARG0 ( z3 person :ARG0-of ( z4 grab ) ) :ARG1 z1 :polarity - ) )
(z0 / feel-01
    :ARG0 (z1 / person)
    :ARG1 (z2 / assault-01
              :ARG0 (z3 / person
                        :ARG0-of (z4 / grab-01))
              :ARG1 z1
              :polarity -))
The person did not feel as if they were assaulted by the grabber
z0 :ARG0 z1
z0 :ARG1 z2
z2 :polarity 0
z2 :ARG1 z1
z2 :ARG0 z3
z3 :ARG0-of z4