A toxin can be harmful to humans.Logical formLearned from2 sentences. Harmful (algal blooms) may result from a growth of some species of algae.Logical formLearned from2 sentences. Harmful algal blooms may undergo a formation.Logical formLearned from2 sentences. Toxins can be constituted-of-or-filled-with harmful algal blooms.Logical formLearned from2 sentences. Harmful algal blooms can be a threat to communities.Logical formLearned from2 sentences. Harmful algal blooms may increase in frequency.Logical formLearned from2 sentences. Ecologies can be harmful.Logical formLearned from2 sentences. Occurrences can be constituted-of-or-filled-with harmful algal blooms.Logical formLearned from2 sentences. Harmful algal blooms may undergo a management.Logical formLearned from2 sentences. Harmful algal blooms may be knowned as red tides.Logical formLearned from2 sentences. Outbreaks can be constituted-of-or-filled-with harmful (algal blooms).Logical formLearned from2 sentences. Misconceptions can be harmful.Logical formLearned from2 sentences. A vote can be harmful to a (conflict settlement process).Logical formLearned from2 sentences. A level of (oxygen desaturation) can be harmful.Logical formLearned from2 sentences. Metabolic wastes can be harmful.Logical formLearned from2 sentences.