text: Chris: What kind of tea does your mum like?
  Ben: What?
  Chris: It's your mum's birthday today isn't it? I thought it would be nice to bring her something
  Chris: I'm staying at your place tonight if you don't remember. I just thought it would be a nice thing to bring your mum a small gift.
  Ben: Sure! She likes this green tea with chocolate flavour. Lady at the shopping mall who runs a tea store will help you.
  Chris: Thanks. See you at 8.
target: Ben's mother celebrates her birthday today. Chris will buy her green tea with chocolate flavour. Chris will come over at 8.