I agree. Is Spanish, chair vs stool is a better example because some objects are in between and you may change your classification on the fly. People will igno

I agree. Is Spanish, chair vs stool is a better example because some objects are in between and you may change your classification on the fly. People will ignore the error most of the time unles you make too many of them. In that case they will assume you are a foreigner and ignore the errors anyway.