node source
node ask#1 "writer" @8:30 actors=actor#1 type="string"
node ask#2 "editor" @9:24 actors=actor#2 type="string"
node sink
actor actor#1 "writer" @4:16
actor actor#2 "editor" @5:16
edge ask#1 -> ask#2 data exact type="string"
edge ask#2 -> ask#1 data exact type="string"
edge ask#2 -> sink data exact type="string"
