IKMC 2027 - Grades 7-8 - Self-study SET 10 - Thematic Batch 3 Question 11

Four friends, Bob, Alex, Ginny and Flora, are invited to a party hosted by the Lord of the Forest. Each knows exactly two of the languages bird, fish, squirrel and cricket. Alex knows bird but not fish. Bob knows squirrel but not fish and can interpret between Alex and Ginny. Flora knows neither bird nor cricket but can talk directly with Alex. Which statement is true?

Interpretation: Bob is needed to interpret because Alex and Ginny have no shared language.