A crowd gathered in Covent Garden Market.
Some people are gathered outside the subway station.
People cannot gather in someplace and outside someplace at the same time.
exists e1 x1 x2 x3 x4 x5.(ne_org_market(x3) & (x3 = x5) & ne_org_garden(x5) & (x3 = x4) & ne_org_covent(x4) & a_topic(x1) & in(e1,x3) & Theme(e1,x2) & v_gather(e1) & (x1 = x2) & n_crowd(x1))
exists e1 x1 x2 x3.(n_station(x2) & of(x2,x3) & n_subway(x3) & outside(e1,x2) & Theme(e1,x1) & v_gather(e1) & n_people(x1))