A lady in a blue shirt has a shopping bag under her left arm.
The lady is sitting down.
The lady cannot be sitting down while having a shopping bag under her arm.
exists e1 s1 s2 x1 x2 x3 x4 x5.(under(e1,x5) & n_arm(x5) & a_left(s2) & Theme(s2,x5) & of(x5,x1) & n_female(x1) & Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_bag(x3) & of(x3,x4) & n_shopping(x4) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_lady(x1))
exists e1 s1 x1.(n_lady(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))