Singers can be enthusiastic.Logical formLearned from20 sentences. Artifacts may pertain-to a singer.Logical formLearned from20 sentences. A (signature song) may pertain-to a singer.Logical formLearned from20 sentences. An apartment may pertain-to singer.Logical formLearned from20 sentences. A foundation may pertain-to a singer.Logical formLearned from20 sentences. A singer can be (agency code).Logical formLearned from20 sentences. A singer can be feisty.Logical formLearned from20 sentences. A (nightclub singer) can be troubled.Logical formLearned from20 sentences. A performance can be by a singer.Logical formLearned from20 sentences. A run may pertain-to a singer.Logical formLearned from20 sentences. A tradition may pertain-to a singer.Logical formLearned from20 sentences. A singer may turn.Logical formLearned from20 sentences. A singer may record an album.Logical formLearned from20 sentences. An approach may pertain-to a singer.Logical formLearned from20 sentences. Sideburns may pertain-to a singer.Logical formLearned from20 sentences.