Groups of young people work together on a task.
There are people working on a task for school
The task could be for something besides school.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_task(x3) & a_together(s2) & Manner(e1,s2) & Actor(e1,x1) & v_work(e1) & of(x1,x2) & n_people(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & for(e1,x5) & n_school(x5) & on(e1,x4) & n_task(x4) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_people(x2))