[JCEccles]

nor am I privy to their private conversations.

An interesting admission. It certainly doesn't stop you from rendering a judgment that the adult daughter is telling the truth.

[From many - one.]

Nor are you privy to their private conversations. Scarcely an admission.

And my _evaluation_ is that more likely than not the daughter is telling the truth. More likely than not starts at 51% odds, rounding up.

Note that an evaluation is not a conclusion, more like a working hypothesis.