Endangered species can be constituted-of-or-filled-with fish.Logical formLearned from21 sentences. (Mercury contamination) can be constituted-of-or-filled-with fish.Logical formLearned from21 sentences. A male may like to fish.Logical formLearned from21 sentences. A fish can be in rivers.Logical formLearned from21 sentences. A person may name a fish.Logical formLearned from21 sentences. An appearance may pertain-to a fish.Logical formLearned from21 sentences. A fish may manifest freshness.Logical formLearned from21 sentences. A fish may undergo a removal.Logical formLearned from21 sentences. Fish can be in aquariums.Logical formLearned from21 sentences. (Fish species) can be alien.Logical formLearned from21 sentences. Fish may undergo a disappearance.Logical formLearned from21 sentences. A person may eat a fish.Logical formLearned from21 sentences. Fish may breed.Logical formLearned from21 sentences. A (fish ladder) may undergo construction.Logical formLearned from21 sentences. A fish can be spotted.Logical formLearned from21 sentences.