Data: Antioch, California, isPartOf, Contra Costa County, California; Contra Costa County, California, isPartOf, San Francisco Bay Area
Sentence about the following data:
A: Antioch is part of Contra Costa County, which in turn is part of the San Francisco Bay area, in California.

Data: Angola, Indiana, isPartOf, Steuben County, Indiana; Angola, Indiana, isPartOf, Pleasant Township, Steuben County, Indiana; Angola, Indiana, country, United States
Sentence about the following data:
A: Angola is in Pleasant Township which is part of Steuben County, Indiana. in the U.S.

Data: Acta Mathematica Hungarica, issnNumber, "0236-5294"
Sentence about the following data:
A:
The Acta Mathematica Hungarica ISSN number is "0236-5294".