Chemicals can be poisonous.Logical formLearned from459 sentences. A chemical can be dangerous.Logical formLearned from451 sentences. Chemicals may be used.Logical formLearned from440 sentences. Variety can be constituted-of-or-filled-with chemicals.Logical formLearned from432 sentences. A chemical may undergo a use.Logical formLearned from430 sentences. Chemicals can be man-made.Logical formLearned from423 sentences. Chemicals can be volatile.Logical formLearned from405 sentences. A chemical can be banned.Logical formLearned from378 sentences. Chemicals can be lethal.Logical formLearned from372 sentences. Chemicals can be explosive.Logical formLearned from372 sentences. (Chemical warheads) can be empty.Logical formLearned from370 sentences. Chemicals may undergo a use.Logical formLearned from354 sentences. Chemicals can be in a brain.Logical formLearned from350 sentences. Chemicals can be in an environment.Logical formLearned from346 sentences. A range can be constituted-of-or-filled-with chemicals.Logical formLearned from335 sentences.