A performance may weaken.Logical formLearned from21 sentences. Performance can be unsatisfactory.Logical formLearned from21 sentences. A performance may play a role.Logical formLearned from21 sentences. Persons may turn_in a performance.Logical formLearned from21 sentences. A performance can be forward.Logical formLearned from21 sentences. A female may use performance.Logical formLearned from21 sentences. A performance can be in a regular season.Logical formLearned from21 sentences. A country may need a performance.Logical formLearned from21 sentences. Stock may pertain-to a performance.Logical formLearned from21 sentences. Performances can be in some years.Logical formLearned from21 sentences. A male may produce some performance.Logical formLearned from21 sentences. Performances can be from players.Logical formLearned from21 sentences. (Stock exchanges) may turn_in a performance.Logical formLearned from21 sentences. Performances can be by women.Logical formLearned from21 sentences. A performance can be drab.Logical formLearned from21 sentences.