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

<np-gapsout_null-gapsin_null-line_loc-deictic-sing>

<discourse_det-deictic-sing> <n-sing-line_loc>

<np-gapsout_null-gapsin_null-line_loc-def-sing>

<discourse_det-def-sing> <n-sing-line_loc>

<n-proper_name-unit> <poss> <n-sing-line_loc>

<np-gapsout_null-gapsin_null-line_loc-not_wh_or_gq_or_dummy>

<discourse_det-not_wh_or_gq_or_dummy-sing> <n-sing-line_loc>

<np-gapsout_null-gapsin_null-line_loc-not_wh-sing>

<discourse_det-not_wh-sing> <n-sing-line_loc>

<n-proper_name-unit> <poss> <n-sing-line_loc>

<np-gapsout_null-gapsin_null-line_loc-not_wh_or_dummy-sing>

<discourse_det-not_wh_or_dummy-sing> <n-sing-line_loc>

<np-gapsout_null-gapsin_null-line_loc-sing>

<discourse_det-sing> <n-sing-line_loc>

<n-proper_name-unit> <poss> <n-sing-line_loc>

<np-gapsout_null-gapsin_null-line_loc-not_wh_or_dummy>

<discourse_det-not_wh_or_dummy-sing> <n-sing-line_loc>

<np-gapsout_null-gapsin_null-line_loc-not_wh_or_gq_or_dummy-sing>

<discourse_det-not_wh_or_gq_or_dummy-sing> <n-sing-line_loc>

<n-proper_name-unit> <poss> <n-sing-line_loc>