Two men wearing surfing suits surf on a medium sized wave on a clear sunny day.
Two men are surfing on a beautiful day.
Two men wearing surfing suits surf means two men are surfing
exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(on(e2,x5) & on(x5,x6) & n_day(x6) & a_sunny(s4) & Theme(s4,x6) & a_clear(s3) & Theme(s3,x6) & n_wave(x5) & a_sized(s2) & Theme(s2,x5) & a_medium(s1) & Theme(s1,x5) & Actor(e2,x1) & v_surf(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_suit(x3) & of(x3,x4) & n_surfing(x4) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(on(e1,x2) & n_day(x2) & a_beautiful(s1) & Theme(s1,x2) & Actor(e1,x1) & v_surf(e1) & n_man(x1) & card_eq_2(x1))