Only yes-or-no questions were supposed to be asked by the panel, but this was often relaxed. Unlike on "What's My Line?", the host offered hints and suggestions when the panel was quite lost, or when an answer might make them lost. Like on "What's My Line?", the panelists were not allowed to try to figure out secrets together, but later in the series, no one bothered the panelists when they whispered ideas to each other.