A monkey is walking across a wire.
A monkey is sleeping in a tree.
A  monkey is walking and sleeping
exists e1 x1 x2.(across(e1,x2) & n_wire(x2) & Actor(e1,x1) & v_walk(e1) & n_monkey(x1))
exists e1 x1 x2.(in(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_sleep(e1) & n_monkey(x1))