With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Carole King creates movies.
text_B: The 1958 1000 km Buenos Aires took place on 26 January , on the Autodromo Municipal-Avenida Paz , -LRB- Buenos Aires , Argentina -RRB- .. 1000 km Buenos Aires. 1000 km Buenos Aires. Autodromo Municipal-Avenida Paz. Autodromo Juan y Oscar Galvez. Buenos Aires. Buenos Aires. Argentina. Argentina. It was the fifth running of the race , and once again , it was opening round of the F.I.A. World Sports Car Championship .. F.I.A. World Sports Car Championship. 1958 World Sportscar Championship season. For this event , it returned to the Autodromo , after having a one-off race at the Circuito de la Costanera Norte , however its layout was not generally well received .. Circuito de la Costanera Norte. Circuito Costanera ( Buenos Aires ). The sport 's governing body , F.I.A. and its Commission Sportive Internationale -LRB- CSI -RRB- dictated several technical changes to the 1958 Sports Car rule book , under teams completing now see their cars ' engines limited to three litres .
not_related.