Situations can be difficult.Logical formLearned from4 722 sentences. An one can be difficult.Logical formLearned from4 288 sentences. A question can be difficult.Logical formLearned from4 230 sentences. A process can be difficult.Logical formLearned from4 133 sentences. A year can be difficult.Logical formLearned from3 939 sentences. An issue can be difficult.Logical formLearned from3 863 sentences. A job can be difficult.Logical formLearned from3 639 sentences. Choices can be difficult.Logical formLearned from3 371 sentences. Life can be difficult.Logical formLearned from3 357 sentences. A challenge can be difficult.Logical formLearned from3 165 sentences. Challenges can be difficult.Logical formLearned from2 812 sentences. A situation can be difficult.Logical formLearned from2 511 sentences. A terrain can be difficult.Logical formLearned from2 488 sentences. A choice can be difficult.Logical formLearned from2 318 sentences. An environment can be difficult.Logical formLearned from2 299 sentences.