A young boy frowning as he holds a vacuum cleaner in front of a stove.
A young boy is happy to be cleaning.
The boy is either happy of frowning, not really able to do both. We don't know if the happy boy has a vacuum cleaner while he is cleaning, nor do we know if he is by the stove.
exists p1 s1 x1 x2.(a_topic(x1) & exists e1 x3 x4 x5 x6.(in(e1,x5) & of(x5,x6) & n_stove(x6) & n_front(x5) & Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & n_cleaner(x3) & of(x3,x4) & n_vacuum(x4)) & n_male(x1) & as(x1,p1) & n_frowning(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
exists p1 s1 s2 x1.(Topic(s2,p1) & Actor(s2,x1) & a_happy(s2) & exists e1.(Actor(e1,x1) & v_clean(e1)) & n_boy(x1) & a_young(s1) & Theme(s1,x1))