With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Led Zeppelin was formed in a place.
text_B: `` Beep Beep '' is a novelty song by The Playmates .. The Playmates. The Playmates. novelty song. novelty song. It describes an apparent competition between the drivers of a Cadillac and a Nash Rambler on the road , leading to a surprise revelation as to why the Rambler is racing the Cadillac .. Cadillac. Cadillac. Nash Rambler. Nash Rambler. The driver of Nash Rambler asks by shouting to the driver of the Cadillac  : `` HEY , BUDDY , HOW DO YOU GET THIS CAR OUT OF SECOND GEAR ? ''. Cadillac. Cadillac. Nash Rambler. Nash Rambler. The song is noted for its unusual instrument that makes the beeping sounds .. Some version feature an instrumental introduction with the refrain used before the first verse begins .. The longer version is usually omits this due to the slowness of the first verse which is sung .. The song is an example of accelerando , in which the tempo of the song gradually increases throughout the song when the speed the cars goes faster on each verse until it hits 120 miles per-hour .. accelerando. Tempo#Basic tempo markings. tempo. tempo
not_related.