Sentence:  But watching Mrs. Cyril Ring , Berniece Dalton Janssen , Mrs. Robert Jarvis , Mrs. Walter Adams order low-calory seafood , no bread , I could see the Ziegfeld Girls of 1920 <WSD>were</WSD> determined to be glamorous grandmothers of 1961 . 
Meaning of the word marked with <WSD> tags:  work in a specific place, with a specific subject, or in a specific function