english: There were earnest theories that Irina could have gone to visit her parents in Ukraine, volunteers offering to drive around Irina's favorite restaurants and bars, and other suggestions.
non_english: Er waren serieuze theorieën dat Irina misschien naar haar ouders in Oekraïne was vertrokken, vrijwilligers die aanboden rond te rijden bij Irina's favoriete restaurants en cafés en andere voorstellen.