The animal rights movement has yet to penetrate Japan in any significant  the cormorants' throats are constricted so they can't swallow the fish they catch underwater, and their owners retrieve the catch when the hapless birds resurface.
Animal rights are not yet important in Japan.
mnli hypothesis: Animal rights are not yet important in Japan. premise: The animal rights movement has yet to penetrate Japan in any significant  the cormorants' throats are constricted so they can't swallow the fish they catch underwater, and their owners retrieve the catch when the hapless birds resurface.