There are four individuals standing together in a line at the waters edge wearing black diving gear with red and black flippers.
4 men are at the waters edge with fishing spears in their hands.
All individuals are not men.  Wearing diving gear does not imply they have fishing spears in their hands.
exists p1 x1 x5 x6.(n_edge(x5) & of(x5,x6) & n_waters(x6) & exists e1 e2 s1 s2 s3 s4 x2 x3 x4 x7 x8 x9.((x1 = x2) & for(e1,e2) & Theme(e2,x7) & Actor(e2,x3) & v_wear(e2) & with(x7,x9) & n_flipper(x9) & a_black(s4) & Theme(s4,x9) & a_red(s3) & Theme(s3,x9) & n_gear(x7) & of(x7,x8) & n_diving(x8) & a_black(s2) & Theme(s2,x7) & at(e1,x5) & in(e1,x4) & n_line(x4) & a_together(s1) & Manner(e1,s1) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_individual(x2) & card_eq_4(x2)))
exists p1 x1 x2 x3 x6.(n_hand(x6) & of(x6,x2) & n_thing(x2) & n_edge(x2) & of(x2,x3) & n_waters(x3) & exists x4 x5.(at(x1,x2) & with(x2,x4) & in(x4,x6) & n_spear(x4) & of(x4,x5) & n_fishing(x5)) & n_man(x1) & n_date(x1) & a_date_day_04(x1) & a_date_day_04(x1))