premise: A worker is preparing fish to be sold at a market.
hypothesis: A person is working at a market.
explanation_1: A person is a worker who is preparing fish at the market.
explanation_2: Someone is preparing fish to be sold at market, and therefore a person is working at a market.
explanation_3: The person is a worker at the fish market.
premise_logic: exists e1 p1 x1 x2 x3.(Topic(e1,p1) & exists e2 x4.(at(e2,x4) & n_market(x4) & Theme(e2,x1) & v_sell(e2)) & Theme(e1,x3) & Actor(e1,x2) & v_prepare(e1) & n_fish(x3) & n_worker(x2) & n_worker(x1))
hypothesis_logic: exists e1 x1 x2.(at(e1,x2) & n_market(x2) & Actor(e1,x1) & v_work(e1) & n_person(x1))