With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tommy Lee Jones starred as Agent K.
text_B: Tricholoma odorimutabile is an agaric fungus of the genus Tricholoma .. Tricholoma. Tricholoma. agaric. agaric. Found in Singapore , it was described as new to science in 1994 by English mycologist E.J.H. Corner .. Corner. E.J.H. Corner. Singapore. Singapore. described. species description. E.J.H. Corner. E.J.H. Corner
not_related.