A man in military camouflage is working a shepherd type dog in a grassy area while being observed by others in a parking lot in uniform.
The dog is eating the man.
In the first sentence, the man and the dog are working together. The second sentence states the dog is eating the man. These can not both happen at the same time.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9.(while(e1,e2) & in(e2,x9) & n_uniform(x9) & in(e2,x7) & n_lot(x7) & of(x7,x8) & n_parking(x8) & Actor(e2,x6) & -(x6 = x1) & n_person(x1) & n_person(x6) & Theme(e2,x1) & v_observe(e2) & in(e1,x5) & n_area(x5) & a_grassy(s3) & Theme(s3,x5) & Theme(e1,x3) & Actor(e1,x1) & v_work(e1) & n_dog(x3) & of(x3,x4) & n_type(x4) & a_shepherd(s2) & Theme(s2,x3) & in(x1,x2) & n_camouflage(x2) & a_military(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_man(x2) & n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1))