The three people are wearing black blindfolds.
Three people are blindfolded.
The three people can be simplified to three people, and wearing black blindfolds means they are blindfolded.
exists e1 s1 x1 x2.(n_people(x1) & card_eq_3(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_blindfold(x2) & a_black(s1) & Theme(s1,x2))
exists e1 x1.(Theme(e1,x1) & v_blindfold(e1) & n_people(x1) & card_eq_3(x1))