A workers prepares fish for sale in a market.
A person gets fish ready for sale.
To prepare means to get ready for something, so when the person gets ready, he is preparing.
exists e1 x1 x2 x3 x4.(for(e1,x3) & in(x3,x4) & n_market(x4) & n_sale(x3) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_fish(x2) & n_worker(x1))
exists e1 p1 x1.(exists s1 x2.(r_fish(s1) & for(s1,x2) & n_sale(x2) & Theme(s1,x1) & a_ready(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_person(x1))