Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor trapped in burning farmhouse
S1E37
·
A Land of Fear
To
Separation and Silent Witness
S1E37
·
A Land of Fear
Why These Connect
The narrative assertion
"The Doctor being trapped in the burning farmhouse leads to the companions questioning his survival."
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.