text: Tim: Peter's father was so strange...
  Jenny: very, but he's always like this when I'm there
  Tom: exactly, so don't worry, it's not your fault
  Tim: but why? does he have some mental issues?
  Jenny: I've no idea
  Emma: His mother once told me, he was a soldier and he fought in Afghanistan
  Jenny: really?? wow, impressive
  Emma: I think he may have PTSD
  Jenny: what's that?
  Tim: lol Jenny, you're such a lovely ignorant
  Tim: Post-traumatic stress disorder, happens to people traumatised during a war etc
  Jenny: fuck off! why would I know it?
  Tim: it's just common knowledge
  Jenny: whatever
target:  Peter's father behaves in an unusual way. Peter's father was a soldier and fought in Afghanistan. Jenny doesn't know what PTSD is.