Attachments may be locked during editing.Logical formLearned from6 sentences. A male may lock chests.Logical formLearned from6 sentences. A session may be locked.Logical formLearned from6 sentences. An owner of a file can be exempt from locking for checkin.Logical formLearned from6 sentences. A machine may lock.Logical formLearned from6 sentences. A car may be locked.Logical formLearned from6 sentences. A friend may be locked.Logical formLearned from6 sentences. A US-president may be locked in a struggle.Logical formLearned from6 sentences. Couples may lock lips.Logical formLearned from6 sentences. Protesters may lock arms.Logical formLearned from6 sentences. Cardinals may be locked.Logical formLearned from6 sentences. Plates may be locked.Logical formLearned from6 sentences. A mutex may be locked.Logical formLearned from6 sentences. A thread may be locked.Logical formLearned from6 sentences. Doors may lock behind a person.Logical formLearned from6 sentences.