node source
node ask#1 "h" @21:27 actors=actor#1 type="string"
node ask#2 "m" @25:30 actors=actor#2 type="string"
node ask#3 "l" @27:25 actors=actor#3 type="string"
node sink
actor actor#1 "h" @21:16
actor actor#2 "m" @25:19
actor actor#3 "l" @27:14
edge source -> ask#1 data exact
edge source -> ask#2 data exact
edge ask#1 -> ask#3 data exact type="string"
edge ask#2 -> ask#3 data exact type="string"
edge ask#3 -> sink data exact type="string"
