Two identical people are completing different tasks.
People do different jobs.
taks is synonym of jobs.
exists e1 s1 x1 x2 x3.(n_task(x3) & Theme(e1,x2) & Actor(e1,x1) & v_complete(e1) & -(x2 = x3) & n_task(x2) & n_people(x1) & a_identical(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_job(x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & -(x2 = x3) & n_job(x2) & n_people(x1))