A person working in a market selling various items.
a market employee is selling items on sale
A person working in a market does imply a market employee.
exists e1 e2 s1 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_sell(e2) & n_item(x4) & a_various(s1) & Theme(s1,x4) & in(e1,x3) & n_market(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_person(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_sell(e1) & on(x3,x4) & n_sale(x4) & n_item(x3) & n_employee(x1) & of(x1,x2) & n_market(x2))