Two children sled riding down a hill.
Two children are at daycare taking a nap
One cannot take a nap while riding down a hill.
exists e1 p1 x1.(exists e2 s1 x2.(a_down(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & n_hill(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_sled(e1) & n_child(x1) & card_eq_2(x1))
exists e1 p1 x1 x2.(for(p1,e1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_nap(x2) & exists x3.(at(x1,x3) & n_daycare(x3)) & n_child(x1) & card_eq_2(x1))