People are walking around a yard sale in the snow.
People are at a snowy yard sale.
Snowy yard sale is the same as a yard sale in the snow.
exists e1 x1 x2 x3 x4.(n_snow(x4) & in(e1,x4) & around(e1,x2) & n_sale(x2) & of(x2,x3) & n_yard(x3) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists p1 x1.(exists s1 x2 x3.(at(x1,x2) & n_sale(x2) & of(x2,x3) & n_yard(x3) & a_snowy(s1) & Theme(s1,x2)) & n_people(x1))