People are signing in a church.
The church service for the deaf started at 9 am.
It is unexpected that people would be singing at a church service for the deaf since deaf people cannot hear.
exists e1 x1 x2.(in(e1,x2) & n_church(x2) & Actor(e1,x1) & v_sign(e1) & n_people(x1))
exists e1 s1 x1 x2 x3 x4.(n_deaf(x3) & n_service(x1) & of(x1,x2) & n_church(x2) & at(e1,x4) & n_date(x4) & a_date_day_09(x4) & a_date_day_09(x4) & a_am(s1) & Theme(s1,x4) & Actor(e1,x1) & v_start(e1) & for(x1,x3))