With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Central America contains countries.
text_B: Central America -LRB- America Central or Centroamerica -RRB- is the southernmost , isthmian portion of the North American continent , which connects with South America on the southeast .. isthmian. Isthmus of Panama. continent. continent. South America. South America. Central America is bordered by Mexico to the north , Colombia to the southeast , the Caribbean Sea to the east , and the Pacific Ocean to the west .. Mexico. Mexico. Colombia. Colombia. Caribbean Sea. Caribbean Sea. Pacific Ocean. Pacific Ocean. Central America consists of seven countries  : Belize , Costa Rica , El Salvador , Guatemala , Honduras , Nicaragua , and Panama .. Belize. Belize. Costa Rica. Costa Rica. El Salvador. El Salvador. Guatemala. Guatemala. Honduras. Honduras. Nicaragua. Nicaragua. Panama. Panama. The combined population of Central America is between 41,739,000 -LRB- 2009 estimate -RRB- and 42,688,190 -LRB- 2012 estimate -RRB- .. Central America is a part of the Mesoamerican biodiversity hotspot , which extends from northern Guatemala through to central Panama .. Guatemala. Guatemala. Panama. Panama. biodiversity hotspot. biodiversity hotspot. Due to the presence of several active geologic faults and the Central America Volcanic Arc , there is a great deal of seismic activity in the region .. active geologic faults. active fault. Central America Volcanic Arc. Central America Volcanic Arc. Volcanic eruptions and earthquakes occur frequently ; these natural disasters have resulted in the loss of many lives and much property .. Volcanic eruptions. Types of volcanic eruptions. In the Pre-Columbian era , Central America was inhabited by the indigenous peoples of Mesoamerica to the north and west and the Isthmo-Colombian peoples to the south and east .. Mesoamerica. Mesoamerica. Pre-Columbian era. Pre-Columbian era. indigenous. Indigenous peoples of the Americas. Isthmo-Colombian. Isthmo-Colombian Area. Soon after Christopher Columbus 's voyages to the Americas , the Spanish began to colonize the Americas .. Spanish. Central American Spanish. Christopher Columbus. Christopher Columbus. Americas. Americas. colonize the Americas. Spanish colonization of the Americas. From 1609 until 1821 , most of the territory within Central America -- except for the lands that would become Belize and Panama -- was governed by the Viceroyalty of New Spain from Mexico City as the Captaincy General of Guatemala .. Mexico. Mexico. Belize. Belize. Guatemala. Guatemala. Panama. Panama. New Spain. New Spain. Mexico City. Mexico City. Captaincy General of Guatemala. Captaincy General of Guatemala. After New Spain achieved independence from Spain in 1821 , some of its provinces were annexed to the First Mexican Empire , but soon seceded from Mexico to form the Federal Republic of Central America , which lasted from 1823 to 1838 .. Mexico. Mexico. New Spain. New Spain. First Mexican Empire. First Mexican Empire. Federal Republic of Central America. Federal Republic of Central America. The seven states finally became independent autonomous states  : beginning with Nicaragua , Honduras , Costa Rica , and Guatemala -LRB- 1838 -RRB- ; followed by El Salvador -LRB- 1841 -RRB- ; then Panama -LRB- 1903 -RRB- ; and finally Belize -LRB- 1981 -RRB- .. Belize. Belize. Costa Rica. Costa Rica. El Salvador. El Salvador. Guatemala. Guatemala. Honduras. Honduras. Nicaragua. Nicaragua. Panama. Panama
related.