Many people on a street while vendors sell items.
A few vendors are trying to sell persian rugs for cheap prices
Not all vendors sell Persian rugs especially for cheap prices.
(-x)
exists e1 p1 s1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s2 s3 x2 x3.(for(e2,x3) & n_price(x3) & a_cheap(s3) & Theme(s3,x3) & Theme(e2,x2) & Actor(e2,x1) & v_sell(e2) & n_rug(x2) & a_persian(s2) & Theme(s2,x2)) & n_vendor(x1) & a_few(s1) & Theme(s1,x1))