Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

Example Input: Tenochtitlan ( Spanish : Tenochtitlan , Spanish pronunciation : ( mexiko tenottitlan ) ( listen ) ) , originally known as Mexico - Tenochtitlan ( Classical Nahuatl : Mexihco - Tenochtitlan ( mei. ko te. not. ti. tan ) ) , was a large Mexica city - state on an island in Lake Texcoco in the Valley of Mexico . Founded on June 20 , 1325 , it was the capital of the expanding Aztec Empire in the 15th century until it was captured by the Spanish in 1521 .
Example Output: Tenochtitlan

Example Input: Steatoda nobilis has a brown bulbous abdomen with cream coloured markings that are often likened to the shape of a skull . The legs are reddish - orange . Females range in size from about 9.5 to 14 mm in size , while males are 7 to 11 mm . Males are able to produce stridulation sounds during courtship , by scraping 10 - 12 teeth on the abdomen against a file on the rear of the carapace .
Example Output: Steatoda nobilis

Example Input: The Roman conquest of Britain was a gradual process , beginning effectively in AD 43 under Emperor Claudius , whose general Aulus Plautius served as first governor of Roman Britain ( Latin : Britannia ) . Great Britain had already frequently been the target of invasions , planned and actual , by forces of the Roman Republic and Roman Empire . In common with other regions on the edge of the empire , Britain had enjoyed diplomatic and trading links with the Romans in the century since Julius Caesar 's expeditions in 55 and 54 BC , and Roman economic and cultural influence was a significant part of the British late pre-Roman Iron Age , especially in the south .
Example Output:
Roman conquest of Britain