Assess the Following as Probably True,as Probably False,as Requiring Further

Assess the following as probably true,as probably false,as requiring further documentation before judgment,or as a claim that cannot properly be evaluated.Consider both the nature of the claim and the source.
"Mezzo-soprano Frederica von Stade's two little girls always tried to keep her from singing in church because,they said,every time she did,everyone would turn around and stare at her."
-Joseph McLellan,in the Washington Post