A laxity can be harmful.Logical formLearned from10 sentences. Spikes can be harmful.Logical formLearned from10 sentences. Fluoride can be harmful.Logical formLearned from10 sentences. Methods can be harmful to young persons.Logical formLearned from10 sentences. An occasion can be harmful in transit.Logical formLearned from10 sentences. A doom can be harmful.Logical formLearned from10 sentences. Carbon can be harmful.Logical formLearned from10 sentences. Minerals can be harmful to health.Logical formLearned from10 sentences. Warm air can be harmful.Logical formLearned from10 sentences. A fuss can be harmful.Logical formLearned from10 sentences. Exports can be harmful.Logical formLearned from10 sentences. A contaminant can be harmful.Logical formLearned from10 sentences. A (carbon monoxide) can be harmful.Logical formLearned from10 sentences. Activities can be harmful.Logical formLearned from10 sentences. Amounts can be harmful.Logical formLearned from10 sentences.