Choices can be difficult.Logical formLearned from132 sentences. A situation can be difficult.Logical formLearned from132 sentences. Goals can be difficult.Logical formLearned from131 sentences. A part can be difficult.Logical formLearned from130 sentences. A matchup can be difficult.Logical formLearned from130 sentences. An argument can be difficult.Logical formLearned from129 sentences. A fight can be difficult.Logical formLearned from129 sentences. (Business conditions) can be difficult.Logical formLearned from129 sentences. An experience can be difficult.Logical formLearned from129 sentences. A player can be difficult.Logical formLearned from129 sentences. Races can be difficult.Logical formLearned from128 sentences. A puzzle can be difficult.Logical formLearned from128 sentences. Compromise can be difficult.Logical formLearned from128 sentences. Reading can be difficult.Logical formLearned from128 sentences. A reason can be difficult.Logical formLearned from128 sentences.