The boy and a brown dog are standing in the snow.
The person and a brown dog are standing in the snow.
The boy and a brown dog is rephrasing as  The person and a brown dog
exists e1 s1 x1 x2 x3 x4.(n_snow(x4) & n_boy(x2) & in(e1,x4) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_dog(x3) & a_brown(s1) & Theme(s1,x3) & subset_of(x2,x1))
exists e1 s1 x1 x2 x3 x4.(n_snow(x4) & n_person(x2) & in(e1,x4) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_dog(x3) & a_brown(s1) & Theme(s1,x3) & subset_of(x2,x1))