a person in jeans and a black coat talks on the phone while walking past a bus stop.
A person is waiting at the bus stop.
You can not be sitting down if your are walking past the bus
(x)
exists e1 x1 x2 x3.(n_stop(x2) & of(x2,x3) & n_bus(x3) & at(e1,x2) & Actor(e1,x1) & v_wait(e1) & n_person(x1))