Crowd watches couples dance at an outdoor event.
Crowd watches couples dance the tango at an outdoor event.
The couples may be dancing any number of dances, not necessarily the tango.
exists e1 s1 x1 x2 x3 x4.(ne_nam_crowd(x1) & at(e1,x4) & n_event(x4) & a_outdoor(s1) & Theme(s1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_dance(x2) & of(x2,x3) & n_couple(x3))
exists e1 p1 x1 x2 x3.(n_tango(x3) & ne_nam_crowd(x1) & exists e2 s1 x4.(at(e2,x4) & n_event(x4) & a_outdoor(s1) & Theme(s1,x4) & Theme(e2,x3) & Actor(e2,x2) & v_dance(e2)) & Recipient(e1,p1) & Actor(e1,x1) & Topic(e1,x2) & v_watch(e1) & n_couple(x2))