Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Chen’s Recognition and Sara’s Accusation
S3E15
·
Coronas of the Sun
To
Doctor forces taranium exchange outside TARDIS
S3E15
·
Coronas of the Sun
Why These Connect
The narrative assertion
"The Doctor proposes an exchange outside the Tardis due to the need for the charade of negotiation, which Chen eventually facilitates through convincing the Black Dalek and leading to his agreement (beat_fc252af5cdb1a38a)."
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.