The subject of "sets" is "that," which is plural because it refers to the plural "two states".
Love was the subject of "Moon," set to taped versions of "Blue Moon," performed by everyone from Elvis Presley and the doo-wop Marcels to the unlikely singing duo of Liza Minnelli and Robert De Niro.
Tehran has been the subject of two sets of United Nations Security Council sanctions for refusing to suspend its uranium enrichment activities.
Both groups were the subject of a set of sweeps in April 2010 in the central coast town of Salinas, raids that also netted dozens of suspects.
On the basis of earlier work by the German mathematician Felix Hausdorff (1869 1942) and others, Aleksandrov and Uryson developed the subject of point-set topology, also known as general topology, which is concerned with the intrinsic properties of various topological spaces.
Whether this lesson can be extrapolated to human behaviour, and why or why not, is the subject of a set of interlocking controversies which are too intricate to pursue here.
He had previously denied the accusation, which is the subject of a book set to be released next week.
Although, this rich literature provides an insight to the subject of the pile set-up, but the exact mechanism of set-up is not fully clear, and the pile set-up has not been incorporated in the current design practice.
They're called "rangefinder" cameras, and the lens you look through has been given additional functionality, notably the ability to determine the distance to the subject for the purpose of setting focus.
