The rules that use the category "<i_f_v_spec-pl>" are:

<specific_vehicle_type-pl>

<i_f_v_spec-pl>

<vehicle_target-pl>

<i_f_v_spec-pl>

<platoon_id-creatable-sing>

<platoon_noun-sing> of <i_f_v_spec-pl> with <other_target>

<specific_vehicle_type-not_creatable-pl>

<i_f_v_spec-pl>