Several people are around an organ at a church.
A group sings around an organ.
Several people surrounding an organ at a church doesn't mean that the group sings around an organ.
exists p1 s1 x1.(exists x2 x3.(around(x1,x2) & at(x2,x3) & n_church(x3) & n_organ(x2)) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2.(around(e1,x2) & n_organ(x2) & Actor(e1,x1) & v_sing(e1) & n_group(x1))