A male may forget about a conversation.Logical formLearned from18 sentences. Conversations can be between doctors.Logical formLearned from18 sentences. Conversations can be interrupted.Logical formLearned from18 sentences. A conversation may last some hours.Logical formLearned from18 sentences. A conversation may surround a rebuilding.Logical formLearned from18 sentences. A person may keep_up a conversation.Logical formLearned from18 sentences. A conversation can be presidential.Logical formLearned from18 sentences. Conversations may pertain-to a crew.Logical formLearned from18 sentences. Chunks can be constituted-of-or-filled-with conversation.Logical formLearned from18 sentences. Conversations can be between pilots.Logical formLearned from18 sentences. Conversations can be with scientists.Logical formLearned from18 sentences. A conversation can be with a governor.Logical formLearned from18 sentences. A female may record a conversation.Logical formLearned from18 sentences. (Telephone conversations) can be tape-recorded.Logical formLearned from18 sentences. Conversations can be with workers.Logical formLearned from18 sentences.