Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor discovers advanced Tractator intelligence
S21E9
·
Frontios Part 3
To
Doctor and Tegan analyze chippings in tunnels
S21E9
·
Frontios Part 3
Why These Connect
The narrative assertion
"The Doctor's analysis of chippings from the cave floor, revealing they were recently machined (beat_657bbdeb38ef266a), directly leads to his deduction that the Tractators are highly intelligent beings with advanced technology (beat_b4e3812c04a3f68c)."
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.