Title: Vitorino Guimarães
Content:  Vitorino Máximo de Carvalho Guimarães (Penafiel, 13 November 1876 – 18 October 1957) was a Portuguese economist and politician. He was the son of João Antunes de Sousa Guimarães and Amélia Augusta de Carvalho. He entered the School of the Army in 1901, graduating as official of military administration and initiating a career that united a passage in the area of the military administration. He integrated committee to after militate bred for the announcement of the Republic and its implantation. In 1911 he was elected member of the house of representatives to the Constituent Congress, for the electoral circle of Bragança. In 1925, he became Prime Minister of one of the governments of First Portuguese Republic.
Title: Ana Paula Vitorino
Content:  Ana Paula Vitorino (born 1962) is a Portuguese politician who most recently served as Minister of the Sea from 2015 to 2019, in the XXI Constitutional Government. She is a member of the Socialist Party. From 2005 to 2009, Vitorino served as the Secretary of State for Transport.
Title: António Vitorino
Content:  Vitorino graduated in law from the University of Lisbon. A lawyer by training, he was first elected to the Assembly of the Republic (Portugal), the national parliament, in the 1980 elections. In 1983, he served as Secretary of State for Parliamentary Affairs, a junior minister role in the grand coalition government led by Prime Minister Mário Soares. After the government's defeat in the 1985 elections, Vitorino became a deputy secretary for the Governor of Macau. In 1989, Vitorino returned to Lisbon to become a judge of the Constitutional Court, ending his term in 1994. In 1995, Vitorino became Minister for National Defence and Deputy Prime Minister in the first government of António Guterres. He resigned in 1997 for being suspected of tax evasion.
Title: List of prime ministers of Portugal
Content: Minority government 
Title: Mariana Vieira da Silva
Content:  Mariana Guimarães Vieira da Silva (born 8 May 1978 ) is a Portuguese sociologist and politician who currently serves as Minister of State and Minister of the Premiership in António Costa's XXII Constitutional Government.
Title: Carlos Guimarães Pinto
Content:  Carlos Manuel Guimarães Oliveira Pinto, better known as Carlos Guimarães Pinto (born in Espinho, Portugal, in 1983), is a Portuguese economist, author, university professor, think tank executive, blogger and politician. A prominent member of the Liberal Initiative, on October 13, 2018, he became the president of the party, a position he left on December 8, 2019 being succeeded by João Cotrim Figueiredo. He is a founder of the think tank +Liberdade, a non-profit institute that promotes democracy, market economy and individual freedom in Portugal.
Title: José Antônio Pimenta Bueno, Marquis of São Vicente
Content:  José Antônio Pimenta Bueno, Marquis of Saint Vincent, (Santos, 4 December 1803 - 19 February 1878) was a magistrate, diplomat and politician. He served as Prime Minister of Brazil from 1870 to 1871.
Title: Vitorino Magalhães Godinho
Content:  from 1970 to 1974. Taking advantage of the change in regime in 1974, he returned to Portugal and attempted to introduce a new educational policy there. He was appointed Minister of Education and Culture in July 1974 but resigned in November of that year. He published, in his capacity as Minister, a book suggesting a reform of the Portuguese education system. He was a full professor of the Faculty of Social Sciences and Humanities of the Universidade Nova de Lisboa and coordinator of the department of sociology from 1975 to 1988. He was in 1976 elected a corresponding member of the 
Title: Prime Minister of Portugal
Content: 1st Mário Soares (two terms); ; 2nd Alfredo Nobre da Costa; ; 3rd Carlos Mota Pinto; ; 4th Maria de Lourdes Pintasilgo; ; 5th Francisco Sá Carneiro; ; (interim) Diogo Freitas do Amaral – Deputy Prime Minister; ; 6th Francisco Pinto Balsemão; ; 1st Mário Soares (third term); ; 7th Aníbal Cavaco Silva (three terms); ; 8th António Guterres (two terms); ; 9th José Manuel Barroso; ; 10th Pedro Santana Lopes; ; 11th José Sócrates (two terms); ; 12th Passos Coelho (two terms); ; 13th António Costa (two terms); The incumbent Prime Minister of Portugal is António Costa, who took office on 26 November 2015 as the 13th Prime Minister of the Third Portuguese Republic. The official residence of the Prime Minister is a mansion next to São Bento Palace, which, in confusion, is also often called "São Bento Palace". Portuguese prime ministers of the Third Portuguese Republic:
Title: José Baptista Pinheiro de Azevedo
Content:  Revolution of 25 April 1974, he was appointed to the National Salvation Junta, and was committed to the cause of democratization in Portugal. On 29 August 1975 he became Prime Minister of the Sixth Provisional Government replacing ousted Prime Minister Vasco Gonçalves. At the end of his tenure as Prime Minister, he was replaced for the final 30 days by Vasco Almeida e Costa, Minister of Internal Administration. Pinheiro had suffered a heart attack on 23 June while campaigning in Oporto for the Portuguese presidency as one of the independent candidates in the 27 June presidential election. He was taken to a hospital and was still recovering when President António Ramalho Eanes appointed Mario Soares as the new premier.

Question: Verify the following claims with "True" or "False": I didn’t know that Vitorino Guimarães was a prime minister.
Answer: True