A crowd of people standing together.
A group of people stand alongside each other.
A crowd of people is a group of people. Together is a rephrasing of " alongside each other".
exists e1 s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & a_together(s1) & Manner(e1,s1) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2.(all x3.(n_other(x3) -> alongside(e1,x3)) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))