A male may tighten screws on a windmill.Logical formLearned from7 sentences. A screw may be implanted.Logical formLearned from7 sentences. A person may find a screw.Logical formLearned from7 sentences. A person may remove a screw.Logical formLearned from7 sentences. A screw may hold.Logical formLearned from7 sentences. Screws may be loosened.Logical formLearned from7 sentences. Screws may be provided.Logical formLearned from7 sentences. Authorities may tighten screws.Logical formLearned from7 sentences. A screw can be in a foot.Logical formLearned from7 sentences. A screw can be in an elbow.Logical formLearned from7 sentences. Some screws may be inserted in a leg.Logical formLearned from7 sentences. A government may tighten screws.Logical formLearned from7 sentences. A probe can be into screws.Logical formLearned from7 sentences. A screw can be endless.Logical formLearned from6 sentences. Some boilers may drive some screws.Logical formLearned from6 sentences.