Answer:
whose is this mobile phone?
is it Philips ?
No I don't think it's of Philip
whose are that photo?
it's yours. your family's in it.
whose brother's birthday is it today?
it's my brother's and it's mine too
we're twins
whose this mobile phone is?
no I don't think it's Phil's
I think that's the correct answer but I'm not sure
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