Alkaloids can be poisonous to humans.Logical formLearned from3 sentences. Crabs can be poisonous.Logical formLearned from3 sentences. Contents can be poisonous.Logical formLearned from3 sentences. A frog can be poisonous.Logical formLearned from3 sentences. Needles can be poisonous.Logical formLearned from3 sentences. A (gas hydrogen sulfide) can be poisonous.Logical formLearned from3 sentences. A show can be poisonous.Logical formLearned from3 sentences. A red can be poisonous.Logical formLearned from3 sentences. A toxin can be poisonous.Logical formLearned from3 sentences. A delicacy can be poisonous.Logical formLearned from3 sentences. A plant can be poisonous to horses.Logical formLearned from3 sentences. A headcrab can be poisonous.Logical formLearned from3 sentences. Venoms can be poisonous.Logical formLearned from3 sentences. Some species can be constituted-of-or-filled-with poisonous spiders.Logical formLearned from3 sentences. A rig may mention a use of poisonous plants.Logical formLearned from3 sentences.