Students in matching uniforms in a city stand in groups.
Students are on a field trip to a museum.
Students wearing their uniforms outside of school is normal after they've left school, they don't need to be on a field trip to wear their uniforms.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x4) & in(x4,x6) & n_group(x6) & n_stand(x4) & of(x4,x5) & n_city(x5) & Theme(e1,x3) & Actor(e1,x2) & v_match(e1) & n_uniform(x3) & (x1 = x2) & n_student(x1))
exists p1 x1.(exists x2 x3 x4.(on(x1,x2) & to(x2,x4) & n_museum(x4) & n_trip(x2) & of(x2,x3) & n_field(x3)) & n_student(x1))