A singer may speak.Logical formLearned from18 sentences. A singer may father boys.Logical formLearned from18 sentences. Concert can be by a singer.Logical formLearned from18 sentences. A legacy may pertain-to (soul singer).Logical formLearned from18 sentences. A singer may sing that something-is-the-case.Logical formLearned from18 sentences. A trademark may pertain-to a singer.Logical formLearned from18 sentences. A singer can be lanky.Logical formLearned from18 sentences. A female can be a singer of descent.Logical formLearned from18 sentences. An ode may pertain-to a singer.Logical formLearned from18 sentences. A singer may be asked.Logical formLearned from18 sentences. A singer may attend.Logical formLearned from18 sentences. Singer can be with a band.Logical formLearned from18 sentences. A clone may pertain-to a singer.Logical formLearned from18 sentences. (Opera singers) can be male.Logical formLearned from18 sentences. Singers can be costumed.Logical formLearned from18 sentences.