With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Luxembourg is democratic.
text_B: Bruce Fink -LRB- December 22 , 1861 -- July 10 , 1927 -RRB- was a prominent American lichenologist .. lichenologist. lichenologist. His name was synonymous with the field of botany in the United States for more than 30 years .. botany. botany. Although educated and well-versed across the spectrum of botany , Fink focused his passion on lichenology , publishing more than 100 research papers , reviews , notes and monographs .. botany. botany. With a specialty in taxonomy , Fink 's contributions to the field of lichenology was in the realm of identifying the relationship , classification and distribution of lichens .. taxonomy. Taxonomy ( biology ). He had a broad interest in fungi , particularly Ascomycetes .. fungi. Fungus. Ascomycetes. Ascomycota. Several lichens have been named in his honor , including the species Calosphaeria finkii , Dermatina finkii , Patellaria finkii , and the genus Finkia .. Calosphaeria finkii. Calosphaeria finkii. Dermatina finkii. Dermatina finkii. Patellaria finkii. Patellaria finkii. Finkia. Finkia
not_related.