Crowd of people stare up and take photos of something.
A crowd of people has gathered.
In order for a crowd to do anything together, such as stare up, they must first have gathered.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(Theme(e2,x5) & Actor(e2,x3) & v_take(e2) & of(x5,x6) & n_thing(x6) & n_photo(x5) & of(x3,x4) & n_people(x4) & n_crowd(x3) & a_up(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stare(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_gather(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1))