A coach gives instructions on the field.
The coach is giving instructions in the gym.
A gym is inside, a field is outside.  The coach can not be in the field and the gym at the same time.
exists e1 x1 x2 x3.(n_field(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_instruction(x2) & n_coach(x1))
exists e1 x1 x2 x3.(n_gym(x3) & n_coach(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_instruction(x2))