Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Brigadier reveals Chin Lee’s disappearance
S8E6
·
The Mind of Evil Part 2
To
Doctor links Keller machine to Chin Lee
S8E6
·
The Mind of Evil Part 2
Why These Connect
The narrative assertion
"The Brigadier reveals information about Captain Chin Lee, which the Doctor is intrigued about, causing him to investigate further."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.