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It is claimed to be world's most powerful hydrogen bomb.

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TikTok, known in China as Douyin, is a video-sharing social networking service owned by ByteDance, a Beijing-based Internet technology company founded in 2012 by Zhang Yiming.  

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The Republic of the Congo, also called Congo-Brazzaville, is a central African nation with rainforest reserves that are habitats for gorillas. Its capital city, Brazzaville, lies across the Congo River from Kinshasa, the capital of neighboring Democratic Republic of the Congo. Brazzaville's highlights include traditional craft markets and the mid-20th-century Basilique Sainte-Anne, with a green-tiled roof and spire.

Brazzaville is the capital of the republic of Congo.

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Explanation

Equatorial Guinea is a country of Africa.

Malabo is the capital of Equatorial Guinea.

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Trinidad and Tobago is a dual-island Caribbean nation near Venezuela, with distinctive Creole traditions and cuisines. Trinidad’s capital, Port of Spain, hosts a boisterous carnival featuring calypso and soca music. Numerous bird species inhabit sanctuaries such as the Asa Wright Nature Centre. The smaller island of Tobago is known for its beaches and the Tobago Main Ridge Forest Reserve, which shelters hummingbirds.

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Tehran is the capital of Iran.

Qasim Suleimani was recently killed by US strike in Iraq.

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Because basketball gives consonant sound.

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Here a means only one policeman.

Policeman gives consonant sound.

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Here police means more than one police man.