options: f : then , let 's start at 7:00 pm . f : yes , and we can end at 8:00 pm . f : oh , why do you want to go shopping at 7:30 pm ? f : oh , why do you want to start running at 7:30 pm ?
article: m : what about doing running tonight ? f : i 'd love to . when is the latest time for us to start ? m : i wanted to start at 7:30 pm . but lucy wanted to start half an hour later than that , so let 's start then .