With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Demi Lovato does pop rock music.
text_B: The Amazonian brown brocket -LRB- Mazama nemorivaga -RRB- , also known as the small brown brocket , is a small species of deer that is almost entirely restricted to South America .. deer. deer. South America. South America. Amazonian. Amazon Basin. It is known from Panama -LRB- in Isla San Jose of the Pearl Islands only ; endemic subspecies M. n. permira -RRB- , Colombia , Venezuela , Guyana , Suriname , French Guiana , eastern Ecuador , eastern Peru , Brazil and possibly northern Bolivia .. Panama. Panama. Pearl Islands. Pearl Islands. endemic. endemic. Colombia. Colombia. Venezuela. Venezuela. Guyana. Guyana. Suriname. Suriname. French Guiana. French Guiana. Ecuador. Ecuador. Peru. Peru. Brazil. Brazil. Bolivia. Bolivia. subspecies. subspecies. Habitats it is found in include primarily nonflooded Amazonian tropical rainforest , and locally also tropical deciduous forest and xeric shrublands , at altitudes up to 1500 m. However , reports from the latter habitats may actually represent M. gouazoubira .. Amazonian. Amazon Basin. tropical rainforest. tropical rainforest. tropical deciduous forest. Tropical and subtropical dry broadleaf forests. xeric shrublands. Deserts and xeric shrublands. M. gouazoubira. Mazama gouazoubira. Breeding occurs year-round in some areas , with births tending to be concentrated in the rainy season .. It is threatened by deforestation and by diseases spread by cattle , but not particularly by hunting .. deforestation. deforestation. It is sympatric with the larger M. americana over much of its range -LRB- the latter tends to have significantly higher population densities -RRB- , and reportedly also with M. gouazoubira in a few areas .. M. gouazoubira. Mazama gouazoubira. sympatric. sympatric. M. americana. Mazama americana. It was considered a subspecies of M. gouazoubira , with which it is parapatric , until 2000 .. M. gouazoubira. Mazama gouazoubira. subspecies. subspecies. parapatric. parapatric. Under normal viewing conditions it is not easily distinguished from M. gouazoubira , but unlike M. americana it is gray-brown overall with paler underparts .. M. gouazoubira. Mazama gouazoubira. M. americana. Mazama americana
not_related.