A boy is laying his head on the lap of the person who is sitting at a desk.
The boy is jumping up and down.
The boy cannot lay his head down on someones lap while he is also jumping up and down.
exists e2 e1 x1 x2 x3 x4 x5 x6.(n_person(x4) & n_lap(x3) & Theme(e2,x2) & Actor(e2,x1) & v_lay(e2) & at(e1,x6) & n_desk(x6) & Actor(e1,x5) & v_sit(e1) & (x2 = x5) & on(x2,x3) & of(x3,x4) & n_head(x2) & of(x2,x1) & n_male(x1) & n_boy(x1))
exists e1 e2 s1 s2 x1.(n_boy(x1) & a_down(s2) & Manner(e2,s2) & Actor(e2,x1) & v_jump(e2) & a_up(s1) & Manner(e1,s1) & Actor(e1,x1) & v_jump(e1))