A focus can be constituted-of-or-filled-with attention.Logical formLearned from833 sentences. A focus may pertain-to efforts.Logical formLearned from832 sentences. A focus can be heavy.Logical formLearned from801 sentences. A focus may pertain-to a paper.Logical formLearned from780 sentences. A lack can be constituted-of-or-filled-with focus.Logical formLearned from774 sentences. An area can be constituted-of-or-filled-with focus.Logical formLearned from712 sentences. A focus may shift.Logical formLearned from698 sentences. A person may lose focus.Logical formLearned from695 sentences. A focus may pertain-to an article.Logical formLearned from693 sentences. A shift can be in focus.Logical formLearned from659 sentences. A focus can be on issues.Logical formLearned from659 sentences. A focus can be single-minded.Logical formLearned from639 sentences. A focus may pertain-to a conference.Logical formLearned from632 sentences. A focus may pertain-to a US-president.Logical formLearned from625 sentences. A focus may pertain-to talks.Logical formLearned from622 sentences.