Military personnel patrol an area.
Troops look around.
Troops is a slang term for military personnel. and patrolling could be described as looking around.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_patrol(e1) & n_area(x2) & n_personnel(x1) & a_military(s1) & Theme(s1,x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_around(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1) & n_troops(x1))