The animals coexist peacefully.
The animals eat each other
If the animals coexist peacefully, then they do not eat each other.
exists x1 x2.(n_coexist(x1) & of(x1,x2) & n_animal(x2) & a_topic(x1) & r_peacefully(x1))
exists x1.(n_animal(x1) & all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1))))