People testing the gaming console called the "Wii".
Some humans testing
Both sentences describe people testing. Humans are people.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(ne_nam_wii(x6) & a_''(s1) & Theme(s1,x6) & n_console(x3) & of(x3,x4) & n_gaming(x4) & a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_test(e2) & Recipient(e1,x6) & Theme(e1,x5) & v_call(e1) & (x3 = x5) & (x1 = x2) & n_people(x1))
exists x1 x2.(a_topic(x1) & n_testing(x1) & of(x1,x2) & n_human(x2))