Male singer crowd surfing
A singer is being grabbed by people.
A male singer is crowd surfing and is being grabbed by people at his concert.
exists s1 x1 x2 x3.(n_surfing(x1) & of(x1,x3) & n_crowd(x3) & of(x1,x2) & n_singer(x2) & a_male(s1) & Theme(s1,x1) & a_topic(x1))
exists e1 x1 x2.(Actor(e1,x2) & n_people(x2) & Theme(e1,x1) & v_grab(e1) & n_singer(x1))