node world-read#1@1 issue site=world-read#1 phase=unphased
node ask#1@1 issue site=ask#1 phase=unphased
node world-read#2@1 issue site=world-read#2 phase=unphased
node world-read#1@2 issue site=world-read#1 phase=unphased
edge entry -> world-read#1@1 fork
edge entry -> ask#1@1 next
edge world-read#1@1 -> ask#1@1 join via=return
edge ask#1@1 -> world-read#2@1 next
edge world-read#2@1 -> ask#1@1 loop
edge world-read#2@1 -> world-read#1@2 fork
edge world-read#2@1 -> sink exit
edge world-read#1@2 -> ask#1@1 loop
edge world-read#1@2 -> sink join via=return
