A person plays the guitar in front of a tall thin lamp.
The person is playing an instrument.
A person is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness
exists e1 s1 s2 x1 x2 x3 x4.(n_guitar(x2) & in(e1,x3) & of(x3,x4) & n_lamp(x4) & a_thin(s2) & Theme(s2,x4) & a_tall(s1) & Theme(s1,x4) & n_front(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_person(x1))
exists e1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2))