Many people are walking through the city during the day.
Most people take the subway.
You aren't walking if you're taking the subway.
exists e1 x1 x2 x3.(n_day(x3) & n_city(x2) & during(e1,x3) & through(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & n_quantity(x1))
exists e1 s1 x1 x2.(n_subway(x2) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_people(x1) & a_most(s1) & Theme(s1,x1))