Errors can be harmful.Logical formLearned from3 sentences. A media can be harmful.Logical formLearned from3 sentences. A tissue can be harmful.Logical formLearned from3 sentences. (Weather conditions) can be harmful.Logical formLearned from3 sentences. Alcohol can be harmful.Logical formLearned from3 sentences. A use of drugs can be harmful.Logical formLearned from3 sentences. Adulterants can be harmful.Logical formLearned from3 sentences. Practices can be harmful to international commerce.Logical formLearned from3 sentences. Alkaloids can be harmful.Logical formLearned from3 sentences. Overuse can be harmful.Logical formLearned from3 sentences. Radioactive materials can be harmful.Logical formLearned from3 sentences. Reports can be constituted-of-or-filled-with harmful (algal blooms).Logical formLearned from3 sentences. Toxins may be found in harmful algal blooms.Logical formLearned from3 sentences. A mutation can be harmful.Logical formLearned from3 sentences. Exploits can be harmful.Logical formLearned from3 sentences.