Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor discovers deadly hymetusite deposit
S17E17
·
The Horns of Nimon Part 1
To
Doctor and Romana plan ship repair
S17E17
·
The Horns of Nimon Part 1
Why These Connect
The narrative assertion
"The Doctor's discovery of highly radioactive hymetusite (beat_af3b45ab66b7e11b) directly inspires Romana's suggestion to use it in the engines (beat_2ace32df591f82b4), driving the repair plan."
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.