Bulk Update Request: removing plural books

Script

create alias book_stack (250) -> book (34816)
create alias sitting_on_books (1) -> sitting_on_book (13)
create implication sitting_on_book (13) -> book (34816)
create implication standing_on_book (0) -> book (34816)
create implication sitting_on_book (13) -> sitting_on_object (170)
create implication standing_on_book (0) -> standing_on_object (150)

Votes