A (news conference) can be impromptu.Logical formLearned from664 sentences. A meeting can be impromptu.Logical formLearned from470 sentences. A (press conference) can be impromptu.Logical formLearned from421 sentences. A speech can be impromptu.Logical formLearned from404 sentences. A performance can be impromptu.Logical formLearned from353 sentences. A visit can be impromptu.Logical formLearned from326 sentences. A party can be impromptu.Logical formLearned from276 sentences. A trip can be impromptu.Logical formLearned from268 sentences. An interview can be impromptu.Logical formLearned from221 sentences. A session can be impromptu.Logical formLearned from213 sentences. A concert can be impromptu.Logical formLearned from199 sentences. A game can be impromptu.Logical formLearned from178 sentences. Meetings can be impromptu.Logical formLearned from172 sentences. Remarks can be impromptu.Logical formLearned from147 sentences. A tour can be impromptu.Logical formLearned from146 sentences.