A small group of firefighters stand in all their firefighting attire and face masks while in front of a firetruck.
Firefighters are preparing to head out.
The fact that a small group of firefighters stand in all their firefighting attire and face masks while in front of a firetruck does not imply that they are preparing to head out.
exists e1 s1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_firetruck(x4) & n_front(x3) & r_while(e1) & all x5 x6 s2 x9 x7 x8.((n_mask(x7) & of(x7,x9) & n_face(x9) & n_attire(x6) & of(x6,x8) & n_firefighting(x8) & a_their(s2) & Theme(s2,x6) & subset_of(x7,x5) & subset_of(x6,x5)) -> in(e1,x5)) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_firefighter(x2) & n_group(x1) & a_small(s1) & Theme(s1,x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 s1.(a_out(s1) & Manner(e2,s1) & Actor(e2,x1) & v_head(e2)) & n_firefighter(x1))