Inspector in a vest riding the bus.
The inspector is at work.
It cannot be said he is at work.
exists e1 s1 x1 x2 x3.(n_bus(x3) & ne_nam_inspector(s1) & a_topic(s1) & in(s1,x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_vest(x1))
exists p1 x1.(n_inspector(x1) & exists x2.(at(x1,x2) & n_work(x2)))