Two large dogs attempt to bite each other playfully.
The dogs are playing with each other.
attempt to bite each other playfully implies they are playing together.
exists e1 p1 s1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_attempt(e1) & all s2 x2.((n_other(x2) & a_playfully(s2) & Theme(s2,x2)) -> exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_bite(e2))) & n_dog(x1) & a_large(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1.(n_dog(x1) & all x2.(n_other(x2) -> with(e1,x2)) & Actor(e1,x1) & v_play(e1))