Sentence 1: For a glass of boraquasco, slightly warmed with the left hand index and ring fingers, zezola fruit makes a perfect accompaniment, Cezary Pytlasinski said while drinking vodka and snacking on a herring, and everybody listened with great interest.

Sentence 2: Cezary Pytlasinski was drinking vodka while talking.
Is this second sentence entailed by the first sentence?
yes