A butterfly can be endangered.Logical formLearned from65 sentences. A person may kill endangered species.Logical formLearned from63 sentences. Endangered species may undergo populations.Logical formLearned from63 sentences. Subspecies can be endangered.Logical formLearned from59 sentences. Breeds can be endangered.Logical formLearned from59 sentences. Giant pandas can be endangered.Logical formLearned from58 sentences. Gorillas can be endangered.Logical formLearned from58 sentences. A subspecies can be endangered.Logical formLearned from58 sentences. (Salmon runs) can be endangered.Logical formLearned from58 sentences. Endangered species may undergo survival.Logical formLearned from58 sentences. An ecosystem can be endangered.Logical formLearned from58 sentences. Some species can be endangered.Logical formLearned from57 sentences. Manatees can be endangered.Logical formLearned from57 sentences. Buildings can be endangered.Logical formLearned from57 sentences. Giant pandas can be among endangered animals.Logical formLearned from56 sentences.