A catcher and a pitcher of the same team talk on the pitcher's mound.
Two teammates are having a chat on the pitch.
A catcher and a pitcher can be teammates.
exists s1 s2 x1 x2 x3 x4 x5.(n_talk(x3) & of(x3,x4) & n_team(x4) & a_same(s2) & Theme(s2,x3) & a_topic(s1) & subset_of(x2,s1) & of(x2,x3) & on(x3,x5) & n_mound(x5) & of(x5,x2) & n_pitcher(x2) & n_pitcher(x2) & subset_of(x1,s1) & n_catcher(x1))
exists e1 x1 x2 x3.(n_pitch(x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & on(x2,x3) & n_chat(x2) & n_teammate(x1) & card_eq_2(x1))