X-rays can be negative.Logical formLearned from953 sentences. A (x-ray observatory) may pertain-to a government-agency.Logical formLearned from405 sentences. X-rays may be took.Logical formLearned from398 sentences. X-rays may pertain-to a person.Logical formLearned from302 sentences. X-rays can be precautionary.Logical formLearned from256 sentences. A hospital can be for x-rays.Logical formLearned from225 sentences. X-rays may undergo a use.Logical formLearned from198 sentences. A x-ray may pertain-to a person.Logical formLearned from166 sentences. X-rays may show that something-is-the-case.Logical formLearned from165 sentences. X-rays may pertain-to a male.Logical formLearned from154 sentences. X-rays may undergo a discovery.Logical formLearned from125 sentences. A male may have x-rays.Logical formLearned from118 sentences. A series can be constituted-of-or-filled-with x-rays.Logical formLearned from113 sentences. X-rays can be negative.Logical formLearned from111 sentences. A beam can be constituted-of-or-filled-with x-rays.Logical formLearned from106 sentences.