Two people, one with his head above the water and the other with his head below, are swimming along side each other.
two people near a pool
two people are swimming near the pool
exists x1 x2 x3 x4 x5 x6 x7.(n_other(x6) & n_water(x5) & all x8.(n_other(x8) -> exists e1 x9.(along(e1,x9) & n_side(x9) & Theme(e1,x8) & Actor(e1,x1) & v_swim(e1))) & rel(x1,x2) & with(x2,x3) & r_below(x3) & with(x3,x7) & n_head(x7) & of(x7,x3) & n_male(x3) & above(x3,x4) & subset_of(x6,x4) & subset_of(x5,x4) & n_head(x3) & of(x3,x1) & n_male(x1) & n_thing(x2) & card_eq_1(x2) & n_people(x1) & card_eq_2(x1))
exists x1 x2.(a_topic(x1) & near(x1,x2) & n_pool(x2) & n_people(x1) & card_eq_2(x1))