Koalas can be female.Logical formLearned from37 sentences. Investigation may be knowned as (operation koala).Logical formLearned from23 sentences. Koalas may die by thousands.Logical formLearned from21 sentences. Thousands can be constituted-of-or-filled-with koalas.Logical formLearned from19 sentences. A koala can be male.Logical formLearned from16 sentences. Koalas may pertain-to a country.Logical formLearned from16 sentences. (Koala cookies) can be popular.Logical formLearned from14 sentences. Koalas can be cuddly.Logical formLearned from14 sentences. A (koala population) may pertain-to a country.Logical formLearned from14 sentences. (Koala cookies) may be recalled in a world-city.Logical formLearned from13 sentences. A koala may pertain-to a country.Logical formLearned from13 sentences. A koala can be female.Logical formLearned from13 sentences. An environment may pertain-to a koala.Logical formLearned from12 sentences. A koala may pertain-to a person.Logical formLearned from12 sentences. Koalas can be cute.Logical formLearned from12 sentences.