「ストローに穴はいくつ？」 ← ガチで答えが出ない難問だと判明……

http://blog.livedoor.jp/worldfusigi/js/sp_middle_ad.js

1: 風吹けば名無し 2021/02/03(水) 09:11:25.31 ID:TQmDbwEN0

意見割れすぎや

A survey: how many holes does each object have?
Result: we do not agree at all about what a hole is.
(a common hole that is — not a well-defined topological hole. You know ~~ a hole.)https://t.co/9hySQU8YOV pic.twitter.com/kyDCpmaupJ
— zep.p8 (@lexaloffle) November 11, 2020