A woman is sitting on the floor on a purple mat, looking at pictures.
The woman is doing yoga.
If she is doing yoga she is not looking at pictures.
exists e1 e2 s1 x1 x2 x3 x4.(n_floor(x2) & for(e1,e2) & at(e2,x4) & n_picture(x4) & Actor(e2,x1) & v_look(e2) & on(e1,x3) & n_mat(x3) & a_purple(s1) & Theme(s1,x3) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_yoga(x2))