A waitstaff can be friendly.Logical formLearned from27 sentences. A (telephone call) can be friendly.Logical formLearned from27 sentences. Notes can be friendly.Logical formLearned from27 sentences. An ambience can be friendly.Logical formLearned from27 sentences. A housing can be friendly.Logical formLearned from27 sentences. Salutations can be friendly.Logical formLearned from27 sentences. A facility can be friendly.Logical formLearned from27 sentences. A layout can be friendly.Logical formLearned from27 sentences. An exhibition can be friendly.Logical formLearned from27 sentences. A fish can be friendly.Logical formLearned from27 sentences. Officials can be friendly.Logical formLearned from27 sentences. Meetings can be friendly.Logical formLearned from26 sentences. A co-existence can be friendly.Logical formLearned from26 sentences. An interface can be friendly.Logical formLearned from26 sentences. (Cooperation relations) can be friendly.Logical formLearned from26 sentences.