Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Cybermen reveal Earth's extinction plan
S4E25
·
The Moonbase Part 3
To
Polly deduces Cybermen’s solvent weakness
S4E25
·
The Moonbase Part 3
Why These Connect
The narrative assertion
"The Cybermen revealing their plan to destroy Earth directly motivates Polly and Ben to search for a way to stop them, leading to Polly's realization about the plastic's vulnerability."
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.