A person swims in a shallow turquoise sea toward an empty tethered rowboat.
The person is walking on the water.
The person cannot both be swimming and walking on water.
exists e1 s1 s2 s3 x1 x2 x3 x4.(in(e1,x2) & toward(x2,x4) & n_rowboat(x4) & a_tethered(s3) & Theme(s3,x4) & a_empty(s2) & Theme(s2,x4) & n_sea(x2) & of(x2,x3) & n_turquoise(x3) & a_shallow(s1) & Theme(s1,x2) & Actor(e1,x1) & v_swim(e1) & n_person(x1))
exists e1 x1 x2.(n_water(x2) & n_person(x1) & on(e1,x2) & Actor(e1,x1) & v_walk(e1))