# A rule file with a mistake, for Exercise 2.5: rule C5 can never fire.
group crowd first

rule C1 group=crowd product=*
  IF holiday = yes
  THEN multiply 0.40
  BECAUSE school holiday: the children stay home

rule C3 group=crowd product=*
  IF weekday = Sat
  THEN multiply 0.60
  BECAUSE Saturday: most primary schools are closed

rule C5 group=crowd product=cilok
  IF weekday = Sat AND event = yes
  THEN multiply 1.20
  BECAUSE Saturday school event: many children come
