Sentence:  Fundamentally , both these types , the amateur and the collector , are uncritical and many of them do n't distinguish <WSD>well</WSD> between real folklore and bogus material . 
Meaning of the word marked with <WSD> tags:  (often used as a combining form) in a good or proper or satisfactory manner or to a high standard (`good' is a nonstandard dialectal variant for `well')