The black shirted team are celebrating with one another.
The team celebrates together.
If people are doing an action with one another then they are doing it together.
exists e1 s1 s2 s3 x1 x2.(n_team(x1) & a_shirted(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1) & with(e1,x2) & n_thing(x2) & card_eq_1(x2) & a_another(s3) & Theme(s3,x2) & Actor(e1,x1) & v_celebrate(e1))
exists e1 p1 x1.(n_team(x1) & exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_celebrate(e1))