hey Nick can you come to my house on Saturday? my cousin Sam from Xi'an is going to be here. oh Sam I remember we went bike riding together last fall when he visited you. yes that's right. I'd love to come but I'm afraid I can't I have an exam on Monday so I must prepare for it. that's really too bad oh but Sam isn't leaving until next Wednesday. can you hang out with as on Monday night? sure catch you on Monday