IN: Castling consists of moving the king two squares towards a rook on the player's first rank , then moving the rook to the square over which the king crossed. Castling may only be done if the king has never moved, the rook involved has never moved, the squares between the king and the rook involved are unoccupied, the king is not in check, and the king does not cross over or end on a square in which it would be in check. Castling is one of the rules of chess and is technically a king move (Hooper & Whyld 1992:71).
can you castle after you have been checked?

OPTIONS:
- no
- yes

OUT: no

IN: In mathematics, a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables. An example of a polynomial of a single indeterminate x is x 4x + 7. An example in three variables is x + 2xyz yz + 1.
does a polynomial have to have a variable?

OPTIONS:
- no
- yes

OUT: yes

IN: Most items that are required to be registered under the National Firearms Act such as machine guns, suppressors, short barreled rifles and shotguns, are prohibited in Pennsylvania as ''offensive weapons'' unless they are registered under the NFA.
do you have to register a shotgun in pennsylvania?

OPTIONS:
- no
- yes

OUT: yes

IN: In historiography, ancient Rome is Roman civilization from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD, encompassing the Roman Kingdom, Roman Republic and Roman Empire until the fall of the western empire. The term is sometimes used to refer only to the kingdom and republic periods, excluding the subsequent empire.
is ancient rome and the roman empire the same thing?

OPTIONS:
- no
- yes

OUT:
no