A person in tan pants is inside a silver mobile object while people watch.
The person is sitting in a car eating a sandwich.
Being inside a mobile object dies bit imply eating a sandwich and a silver mobile object does not imply it being a car.
exists p1 p2 s1 x1 x2.(exists e1 x5.(Actor(e1,x5) & v_watch(e1) & n_people(x5)) & while(p1,p2) & exists s2 x3 x4.(inside(x1,x3) & n_object(x3) & a_mobile(s2) & Theme(s2,x3) & of(x3,x4) & n_silver(x4)) & in(x1,x2) & n_pants(x2) & a_tan(s1) & Theme(s1,x2) & n_person(x1))
exists e1 e2 x1 x2 x3.(n_person(x1) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_eat(e2) & n_sandwich(x3) & in(e1,x2) & n_car(x2) & Actor(e1,x1) & v_sit(e1))