Q: Nucleated red blood cells in mammals consist of two forms: normoblasts, which are normal erythropoietic precursors to mature red blood cells, and megaloblasts, which are abnormally large precursors that occur in megaloblastic anemias.
Can we conclude that did red blood cells ever have a nucleus?
A: yes

Q: A total lunar eclipse occurred on 27 July 2018. The Moon passed through the center of Earth's shadow in what was the first central lunar eclipse since 15 June 2011. It was also the second total lunar eclipse in 2018, after the one on 31 January.
Can we conclude that is there a lunar eclipse in july 2018?
A: yes

Q: When completed in 1859, it was, says clockmaker Ian Westworth, ''the prince of timekeepers: the biggest, most accurate four-faced striking and chiming clock in the world.'' The tower had its 150th anniversary on 31 May 2009, during which celebratory events took place.
Can we conclude that does big ben have a clock on all four sides?
A: yes

Q: Capital punishment in the United Kingdom was used from ancient times until the second half of the 20th century. The last executions in the United Kingdom were by hanging, and took place in 1964, prior to capital punishment being abolished for murder (in 1965 in Great Britain and in 1973 in Northern Ireland). Although unused, the death penalty remained a legally defined punishment for certain offences such as treason until it was completely abolished in 1998. In 2004 the 13th Protocol to the European Convention on Human Rights became binding on the United Kingdom, prohibiting the restoration of the death penalty for as long as the UK is a party to the Convention.
Can we conclude that can you be sentenced to death in the uk?
A:
no