One woman standing with her hand over her heart while a man and a woman sit.
a bunch of people have gathered together
The fact that two women and a man are mentioned together implies people gathering together as a bunch.
(x)
exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_gather(e1) & of(x1,x2) & n_people(x2) & n_bunch(x1))