A surfer clad in full wetsuit rides a wave and catches air.
The surfer is burning calories.
The surfer is burning calories as swimming inferred by surfer clad in full wetsuit riding a wave is a calorie-burning exercise.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_air(x6) & of(x6,x7) & n_catch(x7) & n_wave(x5) & subset_of(x6,x4) & subset_of(x5,x4) & in(x1,x3) & n_wetsuit(x3) & a_full(s1) & Theme(s1,x3) & n_clad(x1) & of(x1,x2) & n_surfer(x2))
exists e1 x1 x2.(n_surfer(x1) & Theme(e1,x2) & Actor(e1,x1) & v_burn(e1) & n_calorie(x2))