A boy wearing a striped shirt sits in a yard next to a smoking grill.
A boy in a denim jacket stands by a grill.
A striped shirt is not a denim jacket and the boy can not be sitting and standing at the same time.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(to(e2,x5) & n_grill(x5) & of(x5,x6) & n_smoking(x6) & r_next(e2) & in(e2,x4) & n_yard(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_striped(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2 x3 x4.(by(e1,x4) & n_grill(x4) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_denim(x3) & n_boy(x1))