node source
node ask#1 "勘察员" @14:35 actors=actor#1 type="Survey"
node hole#21b40fca "决定分组" @15:20 type="Plan"
node ask#2 "执行者" @17:33 actors=actor#2 type="string"
node sink
actor actor#1 "勘察员" @14:22
actor actor#2 "执行者" @17:20
edge source -> ask#1 data exact
edge ask#1 -> hole#21b40fca data exact type="Survey"
edge hole#21b40fca -> ask#2 data exact type="Plan"
edge ask#2 -> sink data exact type="string"
