A person holding a cellphone in order to take a picture of another person in the crowd.
A person is taking a picture.
A person holding a cellphone in order to take a picture is a rephrasing of person is taking a picture.
exists e1 p1 x1 x2 x3 x4 x5.(n_crowd(x5) & a_topic(x1) & in(e1,x5) & n_order(x4) & Topic(e1,p1) & exists p2 e2 x6 x7.(Theme(e2,x6) & Actor(e2,x2) & v_take(e2) & of(x6,x7) & n_person(x7) & -(x7 = x1) & n_picture(x6)) & n_person(x1) & n_person(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_cellphone(x3) & (x1 = x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_person(x1))