Child in red and blue shirt painting a log.
The child is painting a log for his grandpa.
The sex and purpose of the child is unknown so we don't know if it is his painting as could be hers and may not be for a grandpa.
exists x1.(all x2.(n_log(x2) -> exists s1 s2 x3 x4.(a_topic(x1) & in(x1,x3) & for(x3,x2) & n_painting(x3) & of(x3,x4) & n_shirt(x4) & a_blue(s2) & Theme(s2,x3) & a_red(s1) & Theme(s1,x3))) & n_child(x1))
exists e1 x1 x2 x3.(n_grandpa(x3) & of(x3,x1) & n_male(x1) & n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & for(x2,x3) & n_log(x2))