premise: There is an island called Java.
hypothesis: Java ( Indonesian : Jawa ; Javanese : ꦗꦮ ; Sundanese : ) is an island of Indonesia . With a population of over 141 million ( the island itself ) or 145 million ( the administrative region ) Census released in December 2015 , Java is home to 56.7 percent of the Indonesian population and is the most populous island on Earth . Formed mostly as the result of volcanic eruptions , Java is the 13th largest island in the world and the fifth largest in Indonesia .