Four people going down from the electric stairs, wearing very warm clothes.
The people are sitting around the table eating pizza.
People cannot be going down the stairs/escalator at the same time that they are sitting around a table eating pizza.
exists e1 e2 s1 s2 x1 x2 x3 x4.(n_stair(x3) & a_electric(s1) & Theme(s1,x3) & Theme(e2,x4) & Actor(e2,x1) & v_wear(e2) & n_clothes(x4) & a_warm(s2) & Theme(s2,x4) & r_very(x4) & from(e1,x3) & r_down(e1) & Actor(e1,x2) & v_go(e1) & (x1 = x2) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2 x3 x4.(n_pizza(x2) & of(x2,x4) & n_eating(x4) & of(x2,x3) & n_table(x3) & n_people(x1) & around(e1,x2) & Actor(e1,x1) & v_sit(e1))