Three men and one woman, who is wearing a headscarf, are mounted on scooters with palm trees behind them.
Four people ride to church on scooters.
You can not infer there are four people.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(on(e2,x6) & with(x6,x7) & behind(x7,x2) & n_thing(x2) & n_tree(x7) & of(x7,x8) & n_palm(x8) & n_scooter(x6) & Theme(e2,x1) & v_mount(e2) & subset_of(x3,x1) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_headscarf(x5) & (x3 = x4) & n_woman(x3) & card_eq_1(x3) & subset_of(x2,x1) & n_man(x2) & card_eq_3(x2))
exists e1 x1 x2 x3.(on(e1,x3) & n_scooter(x3) & to(e1,x2) & n_church(x2) & Actor(e1,x1) & v_ride(e1) & n_people(x1) & card_eq_4(x1))