Room of people using computers, and testing technology.
People operate computers.
if people are using computers, they know how to operate computers.
exists e1 s1 x1 x2 x3 x4 x5 x6.(ne_nam_room(s1) & a_topic(s1) & of(s1,x1) & subset_of(x5,x1) & n_technology(x5) & of(x5,x6) & n_testing(x6) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x3) & v_use(e1) & n_computer(x4) & (x2 = x3) & n_people(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_operate(e1) & n_computer(x2) & n_people(x1))