A man in a helmet is playing an instrument while people gather around him to watch him play.
A woman is skipping on the sidewalk.
A man and woman are two different subjects. Skipping and playing are two separate actions.
exists e1 p1 x1 x2 x3.(exists e2 p2 x1 x4 x5.(Topic(e2,p2) & exists e3 p3.(exists e4.(Actor(e4,x1) & v_play(e4)) & Recipient(e3,p3) & Actor(e3,x4) & Topic(e3,x1) & v_watch(e3)) & n_male(x1) & around(e2,x1) & Actor(e2,x5) & v_gather(e2) & n_people(x5) & n_people(x4)) & n_male(x1) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_instrument(x3) & in(x1,x2) & n_helmet(x2) & n_man(x1))
exists e1 x1 x2.(n_sidewalk(x2) & on(e1,x2) & Actor(e1,x1) & v_skip(e1) & n_woman(x1))