[tag=DT] [word=triangular] [lemma=sign] [tag=IN] [!□]
[tag=DT] [word=triangular] [lemma=sign] [tag=IN] [!□=□]
[tag=DT] [word=triangular] [lemma=sign] [tag=IN] [!(□ & □)]
Picture a car pool lane in your state signified by a triangular sign with horizontal stripes .