Two Asian men and Asian woman sit in black massage chairs.
Some people are in massage chairs.
A man and woman being in massage chairs does imply people are in massage chairs.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(in(e1,x4) & n_chair(x4) & of(x4,x5) & n_massage(x5) & a_black(s3) & Theme(s3,x4) & Actor(e1,x1) & v_sit(e1) & n_woman(x3) & a_asian(s2) & Theme(s2,x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & a_asian(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1.(exists x2 x3.(in(x1,x2) & n_chair(x2) & of(x2,x3) & n_massage(x3)) & n_people(x1))