According to this user, grade 2 is the standard used on most business and public signs, so someone who never learned it might not recognize the contractions. My blind friend evidently doesn’t know grade 2 Braille.” Some commenters questioned whether grade 2 Braille should really be called advanced, since it is commonly used on signage. They said this made the word fairly easy to figure out even for someone who mainly reads grade 1 Braille. Several commenters shared screenshots from online Braille translators, showing that the dot pattern on the sign matched the word “restroom” exactly.