text: Kevin: do you do online grocery shopping?
  Lisa: i do. It saves me loads of time!
  Jim: i don’t i’d rather do my own grocery shopping
  Kevin: i was sceptical at first but want to try it at least once
  Lisa: we use Tesco
  Jim: what’s the min spend?
  Lisa: £40 or 50 maybe. Not sure cause i spend more on weekly shopping for my always hungry family of 4
  Kevin: haha! I prefer Asda because it’s cheaper
  Lisa: can’t tell much difference
  Jim: every little helps!
  Lisa: haha!
target: Lisa does on-line grocery shopping at Tesco for her family. Jim prefers going to the shop by himself. Kevin wants to try on-line grocery shopping, but prefers Asda due to lower prices. 