Anchor: The same goes for cultural  Boston residents who indulge their taste for Canadian divas do undermine the prospects of local singer-songwriters and might be collectively better off if local radio stations had some kind of cultural content rule.
Entailed: Local song-writers suffer because of Boston residents' preference for Canadian music.
Contradiction: Boston residents are eager to support local song-writers by listening to local music only.
Contradiction: A rock climber dressed in a yellow submarine and wearing a red safety helmet is scaling the smooth wall of a high cliff
Contradiction: The earliest start to a presidential campaign was by Bush.
Contradiction: I never watch the older movies as I can never finish those new ones in my to-watch list. 
Contradiction: Since the new cohort studies have information about individual health status and residence, they're much better.