Two teams play soccer on a grass field.
The two teams are playing indoor kickball
Soccer and kickball are two different sports.  Also, while it is possible, it is unlikely that they would be playing on an indoor grass field.
exists e1 x1 x2 x3 x4.(on(e1,x3) & n_field(x3) & of(x3,x4) & n_grass(x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_team(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_team(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kickball(x2) & a_indoor(s1) & Theme(s1,x2))