A guy and a girl in red shirts cleaning up an alley.
The 2 people are talking about their boss while they are cleaning.
A guy and a girl in red shirts cleaning up an alley does not imply they are talking about their boss while they are cleaning.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & a_up(s3) & Manner(e1,s3) & Theme(e1,x5) & Actor(e1,x4) & v_clean(e1) & n_alley(x5) & (x3 = x4) & n_shirt(x3) & a_red(s2) & Theme(s2,x3) & n_girl(x2) & subset_of(x1,s1) & n_guy(x1))
exists e1 p1 x1 x2.(n_thing(x1) & n_thing(x1) & n_boss(x2) & of(x2,x1) & n_people(x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1) & exists e2.(Actor(e2,x1) & v_clean(e2)) & while(e1,p1) & about(e1,x2) & Actor(e1,x1) & v_talk(e1))