A guitarist performs during a concert along with his band mate, on bass guitar.
The guitarist is practicing in his garage.
A person cannot perform and practice at the same time. A concert does not take place in a garage.
exists e1 x1 x2 x3 x4 x5 x6 x7.(on(e1,x6) & n_guitar(x6) & of(x6,x7) & n_bass(x7) & during(e1,x2) & with(x3,x4) & n_mate(x4) & of(x4,x5) & n_band(x5) & of(x4,x1) & n_male(x1) & along(x2,x3) & n_thing(x3) & n_concert(x2) & Actor(e1,x1) & v_perform(e1) & n_guitarist(x1))
exists e1 x1 x2.(n_garage(x2) & of(x2,x1) & n_male(x1) & n_guitarist(x1) & in(e1,x2) & Actor(e1,x1) & v_practice(e1))