A lady in a blue dress singing.
The people stand around.
A lady is one person and the people would involve a group of people.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_singing(x2) & of(x2,x3) & n_dress(x3) & a_blue(s1) & Theme(s1,x2) & n_lady(x1))
exists e1 s1 x1.(n_people(x1) & a_around(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1))