premise: Sidewalk flower cart vendor.
hypothesis: Tulip vendor by the curb.
explanation_1: Not all flowers are tulips, not all sidewalk cart vendors are located y a curb.
explanation_2: Not all flower cart vendors are tulip vendors.
explanation_3: Not all flower vendor sells tulip.
premise_logic: exists s1 x1 x2 x3 x4.(n_vendor(x1) & a_.(s1) & Theme(s1,x1) & of(x1,x4) & n_cart(x4) & of(x1,x3) & n_flower(x3) & (x1 = x2) & ne_nam_sidewalk(x2) & a_topic(x1))
hypothesis_logic: exists x1 x2 x3.(n_curb(x3) & a_topic(x1) & by(x1,x3) & n_vendor(x1) & (x1 = x2) & ne_nam_tulip(x2))