Electrodes may be attached to a forehead.Logical formLearned from6 sentences. A stigma may be attached to a person.Logical formLearned from6 sentences. A boom may be attached to a (robot arm).Logical formLearned from6 sentences. Arrays may be attached.Logical formLearned from6 sentences. A (dollar value) may be attached.Logical formLearned from6 sentences. A resolution may be attached.Logical formLearned from6 sentences. An unit may be attached to a computer.Logical formLearned from6 sentences. A (curriculum vitae) may be attached.Logical formLearned from6 sentences. Some courtesies may be attached to (data use).Logical formLearned from6 sentences. Files may be attached to an email.Logical formLearned from6 sentences. Papers may be attached.Logical formLearned from6 sentences. (Hydrogen atoms) may be attached.Logical formLearned from6 sentences. A copy of a petition may be attached to summons.Logical formLearned from6 sentences. Conditions may be attached to financial assistance.Logical formLearned from6 sentences. An appendix may be attached.Logical formLearned from6 sentences.