A man in a choir robe is standing at a microphone while the choir sits behind him.
The man and choir are wearing loose clothing.
Being in a choir robe implies wearing loose clothing.
exists e1 p1 x1 x2 x3 x4.(exists e2.(behind(e2,x1) & Actor(e2,x3) & v_sit(e2)) & n_male(x1) & n_choir(x3) & n_choir(x3) & while(e1,p1) & at(e1,x4) & n_microphone(x4) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_robe(x2) & of(x2,x3) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(n_choir(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x1) & v_wear(e1) & n_clothing(x4) & a_loose(s1) & Theme(s1,x4))