A seagull appears at the left corners as a surfer attempts a minor wave.
Surfer attempting a wave, with a seagull nearby.
While a surfer attempts a wave, a seagull could appear nearby, even at the left corners.
exists e1 x1 x2 x3.(n_corner(x2) & of(x2,x3) & n_left(x3) & at(e1,x2) & all s1 x4.((n_wave(x4) & a_minor(s1) & Theme(s1,x4)) -> exists x5 x6.(as(e1,x5) & for(x5,x4) & n_attempt(x5) & of(x5,x6) & n_surfer(x6))) & Actor(e1,x1) & v_appear(e1) & n_seagull(x1))
exists e1 x1 x2 x3.(ne_nam_surfer(x1) & with(e1,x3) & r_nearby(x3) & n_seagull(x3) & Theme(e1,x2) & Actor(e1,x1) & v_attempt(e1) & n_wave(x2))