Three individuals are scuba diving.
Three people are fighting over who gets to use the only set of scuba diving gear.
You cannot be fighting if you are scuba diving as it is not possible to be fighting underwater.
exists p1 x1.(exists s1 x2.((x1 = x2) & n_diving(x2) & a_scuba(s1) & Theme(s1,x2)) & n_individual(x1) & card_eq_3(x1))
exists e1 x1 x3.(all x6.(n_set(x6) -> (x3 = x6)) & n_set(x3) & exists e2 p1 x2.(n_thing(x2) & over(e1,e2) & Topic(e2,p1) & Actor(e2,x2) & v_get(e2) & exists e4 e3 x4 x5.(Theme(e4,x3) & Actor(e4,x2) & v_use(e4) & of(x3,x4) & n_gear(x4) & Actor(e3,x4) & v_dive(e3) & of(x4,x5) & n_scuba(x5))) & Actor(e1,x1) & v_fight(e1) & n_people(x1) & card_eq_3(x1))