4 nerds sitting down posing for a picture.
There are 4 people taking a photograph.
For 4 nerds to be sitting down and posing for a picture, there must be four people present, and taking a picture.
exists e1 e2 s1 x1 x2 x3.(a_topic(x1) & for(e1,e2) & for(e2,x3) & n_picture(x3) & Actor(e2,x2) & v_pose(e2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_nerd(x1) & n_date(x1) & a_date_day_04(x1) & a_date_day_04(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_take(e1) & n_photograph(x4) & (x2 = x3) & n_people(x2) & n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2))