Customers walk about a grocery store.
two boys are climbing up a tree
A tree is not a store.
exists e1 x1 x2 x3.(about(e1,x2) & n_store(x2) & of(x2,x3) & n_grocery(x3) & Actor(e1,x1) & v_walk(e1) & n_customer(x1))
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_tree(x2) & n_boy(x1) & card_eq_2(x1))