A crowd of people try to make contact with the individual above them.
A crowd of people trying to communicate with someone above them.
To make contact implies to communicate, and an individual is someone.
exists e1 p1 x1 x2 x4.(n_thing(x4) & n_individual(x4) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_make(e2) & above(x3,x4) & with(x3,x4) & n_contact(x3)) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists e1 p1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & Topic(e1,p1) & Actor(e1,x3) & v_try(e1) & exists e2 x4.(with(e2,x4) & above(x4,x1) & n_person(x4) & Actor(e2,x3) & v_communicate(e2)) & n_thing(x1) & (x2 = x3) & n_people(x2) & n_crowd(x1))