VISTA 論理表現 II

A :: Have you ever eaten sukiyaki?//
B :: Yes, I have.//
A :: How was it?//
B :: It was delicious.//
no :
A :: Have you ever eaten sukiyaki?//
B :: No, I haven’t.//
A :: Why don’t you try it?//
B :: Thanks. I will.//

マスク

A B 下線

通し読み

役割

両方 A B