A class may undergo progress.Logical formLearned from62 sentences. Feedback can be on progress.Logical formLearned from62 sentences. Progress can be in (peace talks).Logical formLearned from62 sentences. Progress can be on a (peace process).Logical formLearned from62 sentences. A government may undergo progress.Logical formLearned from62 sentences. Six-party talks may undergo progress.Logical formLearned from61 sentences. Progress can be all-round.Logical formLearned from61 sentences. Implementation may undergo progress.Logical formLearned from61 sentences. A human race may undergo progress.Logical formLearned from61 sentences. Progress can be linear.Logical formLearned from61 sentences. An era can be constituted-of-or-filled-with progress.Logical formLearned from61 sentences. Progress may pertain-to patients.Logical formLearned from61 sentences. A male may make a lot of progress.Logical formLearned from61 sentences. An experiment can be in progress.Logical formLearned from61 sentences. Progress can be astounding.Logical formLearned from61 sentences.