text: Maria: Should we buy a book for him?
  Alfred: yes, it's always the best present I think
  Martin: anybody knows what he likes?
  Chris: photography
  Maria: true! a nice album about the history of photography
  Chris: I can buy it
  Maria: I can collect the money
  Chris: perfect
target: Maria, Alfred, Martin and Chris will get him an album about the history of photography. Chris will buy it, Maria will collect the money. 