The category "<np-gapsout_null-gapsin_null-attack-not_wh_or_dummy-sing>" can be expressed as follows:

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

<discourse_det-not_wh_or_dummy-sing> <n-sing-attack>

<np-gapsout_null-gapsin_null-attack-not_wh_or_dummy-sing> <postnommod-attack>

<pre_det> <np-not_mod-gapsout_null-gapsin_null-not_wh_or_gq_or_dummy>