text: Alan: i sent you an email
  Alan: why haven't you replied?
  Ruth: never got it
  Ruth: please send it again
  Alan: sending it right now
  Alan: it has an attachment
  Alan: if you can't open it let me know
  Ruth: just got it and didn't have trouble opening the attachment
  Alan: that's great
target: Ruth got an email with an attachment from Alan. 