### Instruction: What language is spoken on the Aru Islands?
### Input: Batuley (Gwatle lir) is a language spoken on the Aru Islands of eastern Indonesia. It is close to Mariri; Hughes (1987) estimates that around 80% of lexical items are shared. The language's name comes from the Gwatle island (Batuley in Indonesian), which the Batuley consider their homeland (Daigle (2015)).
### Response: Batulay is the language spoken on the Aru Islands.