Sentence 1: Fothergill also served as a member of the executive committee of the Scottish Liberal Party and chairman of the Scottish Liberal Agriculture Committee .
Sentence 2: Fothergill also served as a member of the executive committee of the Scottish Liberal Party and as sometime Chairman of the Scottish Liberal Agricultural Committee .

Do these two sentences convey the same information?

OPT: (A). no; (B). yes;
(B).