[x1798DE]

According to Wikipedia, Sentinelese is apparently (based on other encounters) ,not mutually intelligible with Onge, which does seem to be an inconsistency in the idea that she heard them asking for coconuts in Onge.

[codezero]

Wikipedia references the same anecdotal source material and not anything from an authentic source.

[codezero]

I think I misplaced this comment, sorry!