問(もん)題(だい) mondaiは wa、どちら dochiraを o選(えら)ん()だ()ら() erandaraよい yoiか kaと toいう iuこと kotoだ da。 The question is which one to choose. Literal Problem [topic-は], which [obj-を] if-chose good [Q-か] [quotative-という] thing [copula-だ]. ~たらよいか is a standard construction for asking 'which should one do' — literally 'if one does X, would it be good?' どちら ('which of two') is the polite form of どっち. problem-solving~たらよい (should, advice)~ということだ (it means that)embedded questionembedded wh-question
問(もん)題(だい) mondaiは wa、どちら dochiraを o選(えら)ん()だ()ら() erandaraよい yoiか kaと toいう iuこと kotoだ da。 The question is which one to choose. Literal Problem [topic-は], which [obj-を] if-chose good [Q-か] [quotative-という] thing [copula-だ]. ~たらよいか is a standard construction for asking 'which should one do' — literally 'if one does X, would it be good?' どちら ('which of two') is the polite form of どっち. problem-solving~たらよい (should, advice)~ということだ (it means that)embedded questionembedded wh-question