With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Guam was captured by America.
text_B: Guam -LRB- -LSB- ˈɡwɑːm -RSB- or -LSB- ˈɡwɒm -RSB- Chamorro  : Guahan -LSB- ˈɡʷɑhɑn -RSB- formally the Territory of Guam -RRB- is an unincorporated and organized territory of the United States .. Chamorro. Chamorro language. unincorporated and organized territory of the United States. Unincorporated territories of the United States. Located in the western Pacific Ocean , Guam is one of five American territories with an established civilian government .. Pacific Ocean. Pacific Ocean. five American territories. Territories of the United States#Unincorporated organized territories. The capital city is Hagatna and the most populous city is Dededo .. Hagatna. Hagatna, Guam. Dededo. Dededo. capital city. List of countries by national capital, largest and second-largest cities. populous city. List of largest cities and second-largest cities by country. In 2015 , 161,785 people resided on Guam .. Guamanians are American citizens by birth .. American citizens. Citizenship in the United States. Guam has an area of 210 sq mi -LRB- 544 km ² -RRB- and a population density of 770 / sq mi -LRB- 297 / km ² -RRB- .. area. List of countries and dependencies by area. population density. List of sovereign states and dependent territories by population density. It is the largest and southernmost of the Mariana Islands and the largest island in Micronesia .. Mariana Islands. Mariana Islands. Micronesia. Micronesia. Among its municipalities , Mongmong-Toto-Maite has the highest density at 3,691  /  sq mi -LRB- 1,425  /  km ² -RRB- , whereas Inarajan and Umatac have the lowest density at 119 / sq mi -LRB- 47 / km ² -RRB- .. Mongmong-Toto-Maite. Mongmong-Toto-Maite, Guam. Inarajan. Inarajan, Guam. Umatac. Umatac, Guam. The highest point is Mount Lamlam at 406 m above sea level .. highest point. List of elevation extremes by country. Mount Lamlam. Mount Lamlam. above sea level. above sea level. The Chamorros , Guam 's indigenous people , settled the island approximately 4,000 years ago .. Chamorros. Chamorro people. indigenous people. indigenous peoples. Portuguese explorer Ferdinand Magellan was the first European to visit the island on March 6 , 1521 .. Ferdinand Magellan. Ferdinand Magellan. Guam was colonized in 1668 with settlers , like Diego Luis de San Vitores , a Catholic missionary .. Diego Luis de San Vitores. Diego Luis de San Vitores. missionary. missionary. Between the 16th century and the 18th century , Guam was an important stopover for the Spanish Manila Galleons .. Manila Galleons. Manila Galleons. During the Spanish -- American War , the United States captured Guam on June 21 , 1898 .. captured Guam. Capture of Guam. Under the Treaty of Paris , Spain ceded Guam to the United States on December 10 , 1898 .. Treaty of Paris. Treaty of Paris ( 1898 ). Guam is among the seventeen Non-Self-Governing Territories of the United Nations .. Non-Self-Governing Territories. United Nations list of Non-Self-Governing Territories. United Nations. United Nations. Before World War II , Guam and four other territories -- American Samoa , Hawaii , Wake Island , and the Philippines -- were the only American jurisdictions in the Pacific Ocean .. Pacific Ocean. Pacific Ocean. World War II. World War II. American Samoa. American Samoa. Hawaii. Hawaii. Wake Island. Wake Island. Philippines. Philippines. On December 7 , 1941 , hours after the attack on Pearl Harbor , Guam was captured by the Japanese , who occupied the island for thirty months .. Japanese. Empire of Japan. attack on Pearl Harbor. attack on Pearl Harbor. Guam was captured. Battle of Guam ( 1941 ). During the occupation , Guamanians were subjected to beheadings , forced labor , rape , and torture .. Guam endured hostilities when American forces recaptured the island on July 21 , 1944 ; Liberation Day commemorates the victory .. when American forces recaptured the island. Battle of Guam ( 1944 ). Liberation Day. Liberation Day. Since the 1960s , the economy has been supported by two industries  : tourism and the United States Armed Forces .. the economy. Economy of Guam. United States Armed Forces. United States Armed Forces
related.