Items are being sold in the open market by it's vendors.
Jewelry is being sold in the open market
Just because items are sold in the market does not imply jewelry is sold.
exists e1 p1 s1 x1 x2 x3.(n_thing(x2) & n_market(x2) & a_open(s1) & Theme(s1,x2) & Actor(e1,x2) & exists x4.((x3 = x4) & n_vendor(x4)) & (x2 = x3) & in(e1,x2) & Theme(e1,x1) & v_sell(e1) & n_item(x1))
exists e1 s1 x1 x2.(n_market(x2) & a_open(s1) & Theme(s1,x2) & in(e1,x2) & Theme(e1,x1) & v_sell(e1) & n_jewelry(x1))