A woman in a turquoise shirt grocery shopping and riding the cart.
A woman is teaching her child to swim.
One cannot be grocery shopping while teacher her child to swim simultaneously.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_cart(x8) & a_topic(x6) & Theme(e1,x8) & Actor(e1,x7) & v_ride(e1) & (x6 = x7) & n_woman(x6) & a_topic(x1) & in(x1,x2) & n_shopping(x2) & of(x2,x5) & n_grocery(x5) & of(x2,x4) & n_shirt(x4) & of(x2,x3) & n_turquoise(x3) & n_woman(x1))
exists e1 p1 x1 x2 x3.(Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_swim(e2)) & Theme(e1,x3) & Actor(e1,x2) & v_teach(e1) & n_child(x3) & of(x3,x1) & n_female(x1) & n_woman(x2) & n_woman(x1))