(Butterfly swims) may pertain-to a year.Logical formLearned from20 sentences. A butterfly may undergo finals.Logical formLearned from20 sentences. Butterflies can be in a belly.Logical formLearned from20 sentences. Butterflies may pertain-to the world.Logical formLearned from20 sentences. Persons may see butterflies.Logical formLearned from20 sentences. Butterflies can be tagged.Logical formLearned from20 sentences. A butterfly can be in a country.Logical formLearned from20 sentences. A butterfly can be in some seconds.Logical formLearned from20 sentences. Some (butterfly event) may take place.Logical formLearned from19 sentences. Butterflies can be endangered.Logical formLearned from19 sentences. Bronze can be in some butterfly.Logical formLearned from19 sentences. A win can be in a butterfly.Logical formLearned from19 sentences. A person may have a butterfly.Logical formLearned from19 sentences. A burden may pertain-to a butterfly.Logical formLearned from19 sentences. A person may got butterflies.Logical formLearned from19 sentences.