An arm may be attached.Logical formLearned from11 sentences. A person may attach a keyboard.Logical formLearned from11 sentences. Tubes may be attached.Logical formLearned from11 sentences. A computer may be attached.Logical formLearned from11 sentences. Indicators may be attached to icons.Logical formLearned from11 sentences. Keyboards may be attached to a piece of iron.Logical formLearned from11 sentences. A log may be attached.Logical formLearned from11 sentences. A room may be attached.Logical formLearned from11 sentences. Some rocket-propelled grenades may be attached to a detonator.Logical formLearned from11 sentences. A person may attach a document.Logical formLearned from11 sentences. Photos may be attached to emails.Logical formLearned from11 sentences. Others may be attached.Logical formLearned from11 sentences. Equipment may be attached.Logical formLearned from11 sentences. An engine may be attached.Logical formLearned from11 sentences. A house may be attached.Logical formLearned from11 sentences.