Microphones can be in use.Logical formLearned from4 sentences. Microphones can be mobile.Logical formLearned from4 sentences. (Array microphones) can be adaptive.Logical formLearned from4 sentences. A microphone can be dedicated.Logical formLearned from4 sentences. Microphones can be unobtrusive.Logical formLearned from4 sentences. Signals can be from microphones.Logical formLearned from4 sentences. A device can be a microphone.Logical formLearned from4 sentences. A reporter may thrust a microphone.Logical formLearned from4 sentences. A cap can be with microphones.Logical formLearned from4 sentences. A man may grab a microphone.Logical formLearned from4 sentences. A table can be with a microphone.Logical formLearned from4 sentences. A microphone may lower into a hole.Logical formLearned from4 sentences. A microphone may pick_up a sound.Logical formLearned from4 sentences. A microphone may be dropped into a hole.Logical formLearned from4 sentences. A microphone may be lowered into a mine.Logical formLearned from4 sentences.