People watching a man breakdance.
People cheer while observing a breakdancing competition.
People watching aren't necessarily cheering, and an audience doesn't necessarily imply that it is a competition.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_breakdance(x3) & of(x3,x4) & n_man(x4) & (x1 = x2) & n_people(x1))
exists e1 e2 s1 x1 x2.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_observe(e2) & n_competition(x2) & a_breakdancing(s1) & Theme(s1,x2) & Actor(e1,x1) & v_cheer(e1) & n_people(x1))