A group of people working on computers while wearing headsets.
One little girl waits for her mom.
A group of people is not the same as one girl.  People working on computers are typically not a child waiting.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & while(e1,e2) & Theme(e2,x5) & Actor(e2,x3) & v_wear(e2) & n_headset(x5) & on(e1,x4) & n_computer(x4) & Actor(e1,x3) & v_work(e1) & (x1 = x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists s1 x1 x2 x3.(a_topic(x1) & for(x1,x3) & n_mom(x3) & of(x3,x2) & n_female(x2) & n_wait(x1) & of(x1,x2) & n_girl(x2) & a_little(s1) & Theme(s1,x1) & card_eq_1(x1))