node source
node ask#1 "alpha" @5:32 actors=actor#1 type="string"
node ask#2 "beta" @9:31 actors=actor#2 type="string"
node ask#3 "gamma" @10:32 actors=actor#3 type="string"
node sink
actor actor#1 "alpha" @5:17
actor actor#2 "beta" @9:17
actor actor#3 "gamma" @10:17
edge source -> ask#1 data exact
edge ask#1 -> ask#2 data exact type="string"
edge ask#1 -> ask#3 data exact type="string"
edge ask#2 -> sink data exact type="string"
edge ask#3 -> sink data exact type="string"
