Some mold can be harmful.Logical formLearned from2 sentences. Concentrations of selenium can be harmful to wildlife.Logical formLearned from2 sentences. (Air pollutant emissions) can be harmful.Logical formLearned from2 sentences. Modifications can be harmful.Logical formLearned from2 sentences. Pathways can be harmful.Logical formLearned from2 sentences. (Iron overload) can be harmful to some organs.Logical formLearned from2 sentences. Bacteria can be harmful to humans.Logical formLearned from2 sentences. Acts can be harmful to an enemy..Logical formLearned from2 sentences. Situations can be harmful to taxpayers.Logical formLearned from2 sentences. (Encryption products) can be harmful to (national security).Logical formLearned from2 sentences. Material can be harmful to a well-being.Logical formLearned from2 sentences. Material may be considered harmful to minors by some communities.Logical formLearned from2 sentences. A material can be harmful to some minors.Logical formLearned from2 sentences. Practices can be harmful to a (health and/or performance) of athletes.Logical formLearned from2 sentences. A campaign can be harmful.Logical formLearned from2 sentences.