Two people are sitting at a table outside of a building.
two people are riding bikes on the table
They cannot be sitting at the table while riding bikes.
exists e1 x1 x2 x3 x4.(at(e1,x2) & of(x3,x4) & n_building(x4) & outside(x2,x3) & n_thing(x3) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_table(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_people(x1) & card_eq_2(x1))