With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Carol Leifer's comedy career began in the 1980s.
text_B: The Lexus RC -LRB- Japanese  : レクサス ・ RC , Rekusasu RC -RRB- is a compact premium coupe manufactured by Lexus , Toyota 's luxury division .. Lexus. Lexus. Toyota. Toyota. coupe. coupe. compact premium. Entry-level luxury car. The RC which according to Lexus stands for `` Radical Coupe '' is a two-door coupe version of the Lexus IS -LRB- XE30 -RRB- .. Lexus. Lexus. coupe. coupe. The RC is designated as the XC10 series .. The RC borrowed styling from the LF-LC concept and was previewed by the LF-CC concept .. LF-LC. Lexus LF#LF-LC. LF-CC. Lexus LF#LF-CC
not_related.