With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Steffi Graf is incapable of being a tennis player.
text_B: Baliesthoides guttipennis is a species of beetle in the family Cerambycidae , and the only species in the genus Baliesthoides .. Cerambycidae. Cerambycidae. Baliesthoides. Baliesthoides. beetle. beetle. It was described by Stephan von Breuning in 1958 .. Stephan von Breuning. Stephan von Breuning ( entomologist )
not_related.