A (dance track) can be upbeat.Logical formLearned from15 sentences. Instrumentals can be upbeat.Logical formLearned from15 sentences. A rocker can be upbeat.Logical formLearned from15 sentences. A portrayal can be upbeat.Logical formLearned from15 sentences. A program can be upbeat.Logical formLearned from15 sentences. Rockers can be upbeat.Logical formLearned from15 sentences. Players can be upbeat.Logical formLearned from15 sentences. Announcements can be upbeat.Logical formLearned from15 sentences. An assessment of the economy can be upbeat.Logical formLearned from15 sentences. A male may stay upbeat.Logical formLearned from15 sentences. A show can be upbeat.Logical formLearned from15 sentences. An (economic news) can be upbeat.Logical formLearned from15 sentences. Leaders can be upbeat.Logical formLearned from15 sentences. A male can be upbeat about prospects.Logical formLearned from15 sentences. Moods can be upbeat.Logical formLearned from15 sentences.