Readings can be difficult.Logical formLearned from11 sentences. A survey can be difficult.Logical formLearned from11 sentences. Calvings can be difficult.Logical formLearned from11 sentences. A baby can be difficult.Logical formLearned from11 sentences. A run-in can be difficult.Logical formLearned from11 sentences. A (recording process) can be difficult.Logical formLearned from11 sentences. Personal relationships can be difficult.Logical formLearned from11 sentences. Interpretation of results can be difficult.Logical formLearned from11 sentences. Assembly can be difficult.Logical formLearned from11 sentences. Smoking can be difficult.Logical formLearned from11 sentences. Teens can be difficult.Logical formLearned from11 sentences. A scramble can be difficult.Logical formLearned from11 sentences. A stance can be difficult.Logical formLearned from11 sentences. Years of work can be difficult.Logical formLearned from11 sentences. Partition can be difficult.Logical formLearned from11 sentences.