In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Ex Input:
Jumping the broom is a phrase and custom relating to a wedding ceremony where the couple jumps over a broom. It has been suggested that the custom is based on an 18th-century idiomatic expression for 'sham marriage', 'marriage of doubtful validity'; it was popularized in the context of the introduction of civil marriage in Britain with the Marriage Act 1836.

Ex Output:
purpose of jumping over a broom at a wedding


Ex Input:
Lunar distance (LD or Δ ⊕ L (\ textstyle \ Delta _ (\ oplus L))), also called Earth -- Moon distance, Earth -- Moon characteristic distance, or distance to the Moon, is a unit of measure in astronomy. It is the average distance from the center of Earth to the center of the Moon. More technically, it is the mean semi-major axis of the geocentric lunar orbit. It may also refer to the time-averaged distance between the centers of the Earth and the Moon, or less commonly, the instantaneous Earth -- Moon distance. The lunar distance is approximately a quarter of a million miles.

Ex Output:
what is the distance between earth and moon


Ex Input:
The house system is a traditional feature of schools in England, originating in England. This nomenclature may apply to similar schools in the United States. The school is divided into subunits called 'houses' and each student is allocated to one house at the moment of enrollment. Houses may compete with one another at sports and maybe in other ways, thus providing a focus for group loyalty.

Ex Output:

what is a house system in a school


