Premise:  The Moorish conquest of the Balearics was complete by a.d. 903, and except during the periodic outbreaks of violence typical of that time, the Moors devoted themselves to developing the island economy and agri?­culture.

Hypothesis: The conquest of the Balearics by the Moors was complete by 903 ad and the Moors remained devoted to developing the islands economy.
Relation: entailment