A young boy is looking at a checkers board with one fist leaning against his head as a partially visible adult sits across the table from him, in a room full of people sitting in chairs around tables.
A boy and his mother play checkers.
The adult may be someone other than the boy's mother.  They may be doing something other than playing checkers.
exists e1 p1 s1 s2 x1 x2 x3 x4 x5.(exists e2 e3 s3 s4 x6 x7 x8 x9 x10 x11 x12.(in(e2,x8) & of(s4,x10) & in(e3,x12) & around(x12,x7) & n_table(x7) & n_table(x7) & n_chair(x12) & Actor(e3,x11) & v_sit(e3) & (x10 = x11) & n_people(x10) & Theme(s4,x9) & a_full(s4) & (x8 = x9) & n_room(x8) & from(e2,x1) & across(e2,x7) & Actor(e2,x6) & v_sit(e2) & n_adult(x6) & a_visible(s3) & Theme(s3,x6) & r_partially(x6)) & n_male(x1) & n_male(x1) & as(e1,p1) & with(e1,x4) & against(x4,x5) & n_head(x5) & of(x5,x1) & n_leaning(x4) & a_fist(s2) & Theme(s2,x4) & card_eq_1(x4) & at(e1,x2) & n_board(x2) & of(x2,x3) & n_checkers(x3) & Actor(e1,x1) & v_look(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Time(x2,x4) & n_checkers(x4) & n_play(x2) & of(x2,x3) & n_mother(x3) & of(x2,x1) & n_male(x1) & subset_of(x1,s1) & n_boy(x1))