Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Metal virus solution proven effective
S12E4
·
Robot Part 4
To
Robot dissolves from metallic virus
S12E4
·
Robot Part 4
Why These Connect
The narrative assertion
"Harry’s successful test of the metal virus on a metal bar (beat_a359521f66e73ec3) proves the solution’s efficacy, enabling the Doctor to apply it to the robot in the field (beat_36e1f963e7daa2c6)."
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.