A boy in black waves his arms while other people are behind him on a field.
the boy is sitting in his bed at home
A bed is inside not outside.
(x)
exists e1 x1 x2 x3.(n_bed(x2) & of(x2,x1) & n_male(x1) & n_boy(x1) & at(e1,x3) & n_home(x3) & in(e1,x2) & Actor(e1,x1) & v_sit(e1))