Therefore, on every morrow, are we wreathing
A flowery band to bind us to the earth,
Spite of despondence, of the inhuman dearth
Of noble natures, of the gloomy days,
Of all the unhealthy and o’er-darkened ways
Made for our searching:
A school is organizing a debate competition with participants as speakers and judges. where represents the set of speakers. The judges are represented by the set: where represents the set of judges. Each speaker can be assigned only one judge. Let be a relation from set to defined as: .