A man in a blue shirt smoking a cigarette.
The man is surrounded by explosive gas fumes which would ignite with the slightest spark.
A man cannot be smoking a cigarette and surrounded by gas flames that would ignite with the slightest spark simultaneously.
exists x1.(all x2.(n_cigarette(x2) -> exists s1 x3 x4.(a_topic(x1) & in(x1,x3) & for(x3,x2) & n_smoking(x3) & of(x3,x4) & n_shirt(x4) & a_blue(s1) & Theme(s1,x3))) & n_man(x1))
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(n_spark(x5) & r_most(s2) & a_slightest(s2) & Theme(s2,x5) & n_man(x1) & Actor(e1,x2) & with(e2,x5) & Actor(e2,x4) & v_ignite(e2) & (x2 = x4) & n_fume(x2) & of(x2,x3) & n_gas(x3) & a_explosive(s1) & Theme(s1,x2) & Theme(e1,x1) & v_surround(e1))