Possible Clues:

• Japanese sauce
• Wheat-free soy sauce
• Japanese soy sauce
• Soy sauce often gluten-free
• Gluten-free alternative to soy sauce
• Salty Japanese condiment
• A naturally fermented soy sauce — air mat (anag)
• Gluten-free Japanese soy sauce
• Sauce that becomes a fruit when you add 'nd' to the end
• Soy sauce