text: Martha: I'm trying to save for a new computer
  Tom: How is it going?
  Amy: How much is the computer?
  Martha: About 1000$
  Martha: I stopped buying Starbucks coffee everyday
  Martha: And I eat out once a week only 
  Martha: Actually, it's not so hard
  Martha: I used to spend so much money mindlessly
  Tom: Great
  Tom: Maybe you'll buy not only a new computer but also a new car
  Martha: Hahha
  Martha: That's far-fetched  
  Amy: I should also stop spending on stupid things... 
target: Martha is saving for a new computer. 