The rules that use the category "<atf_noun-sing>" are:

<atf_type-not_creatable-sing>

<atf_noun-sing>

<atf_type-sing>

<atf_noun-sing>

<point_type-checkpoint-sing>

<atf_noun-sing> <point_type-not_ranked-objective-sing>

<bare_atf_id>

<atf_noun-sing> <id_num-sing>

<point_type-sing>

<atf_noun-sing> <point_type-not_ranked-objective-sing>