A (tribute concert) may pertain-to a singer.Logical formLearned from163 sentences. A (rock concert) may pertain-to a world-city.Logical formLearned from163 sentences. Concerts may pertain-to a US-city.Logical formLearned from162 sentences. Concerts can be successful.Logical formLearned from162 sentences. Concerts may pertain-to a weekday.Logical formLearned from159 sentences. A female can be in concert.Logical formLearned from157 sentences. A concert may pertain-to a tour.Logical formLearned from156 sentences. Concerts can be in a country.Logical formLearned from155 sentences. A concert may undergo a start.Logical formLearned from155 sentences. Concert can be in a world-city.Logical formLearned from153 sentences. Concerts can be in a world-city.Logical formLearned from152 sentences. A male may give a concert.Logical formLearned from149 sentences. Concerts may take place.Logical formLearned from149 sentences. A person can be interested in (concert events).Logical formLearned from149 sentences. (Concert events) can be hawaiian.Logical formLearned from149 sentences.