A man breakdances as a crowd watches.
A man dances in front of a crowd.
As a crowd watches implies being in front of a crowd.
exists e1 p1 x1.(exists e2 x2.(Actor(e2,x2) & v_watch(e2) & n_crowd(x2)) & as(e1,p1) & Actor(e1,x1) & v_breakdance(e1) & n_man(x1))
exists e1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_crowd(x3) & n_front(x2) & Actor(e1,x1) & v_dance(e1) & n_man(x1))