One guy using an animal to work in a flooded field.
Someone is in a field.
Someone that work in a flooded field is in a field.
exists e1 p1 x1 x2 x3.(a_topic(x1) & Theme(e1,p1) & Recipient(e1,x3) & Actor(e1,x2) & v_use(e1) & exists e2 e3 x4.(in(e2,x4) & n_field(x4) & Theme(e3,x4) & v_flood(e3) & Actor(e2,x2) & v_work(e2)) & n_animal(x3) & (x1 = x2) & n_guy(x1) & card_eq_1(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_field(x2)) & n_person(x1))