Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Sabotage Theory Clashes with Evidence
S5E37
·
The Wheel In Space Part 3
To
Cybermat revealed in X-ray
S5E37
·
The Wheel In Space Part 3
Why These Connect
The narrative assertion
"Zoe is interested in looking at hyperoxide-encased object. This leads to the Doctor revealing the X-ray, leading to the character to identitfy a cybermat. Her interest is required to identify this object."
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.