41 The IfD survey also included a question (no. 4) adressed to those 10% who had stated that they attribute the shape to « different companies / brands ». These respondents were asked for the names of theses companies or brands. Surprisingly, the results ot this question were not presented anywhere in the IfD report. The reason for this is not clear. In principle, such a clarification question is appropriate. (…) The IPI Guidelines basically also allow tor additional clarification questions (…). It has to be determined whether only one company / brand was actually meant by these respondents or several.