text: Camille: Are we seeing each other tonight?
  Bill: yes, of course
  Bill: it's Claudia's birthday
  Camille: right, I forgot
  Jerome: Do we have a present?
  Mike: I'm collecting money from her university friends 
  Mike: so I think you can join it
  Jerome: how much do they chip in?
  Mike: $15 each
  Camille: Can I give you the money tonight?
  Mike: sure, but I need to know how many people want to participate, so I would know what we can afford
  Jerome: I will
  Bill: me too
  Camille: and me of course
  Jerome: great, I want to buy her a ticket for a concert of radiohead, she loves them
  Camille: brilliant idea!
target: Camille, Bill, Jerome and Mike and some Claudia's university friends are collecting money $15 each for Claudia's birthday. They may buy her Radiohead's concert ticket.