Complex sentence: Among Law's criticisms is the characterisation, which is considered, at times, to test the limits of credibility; one example offered is the lack of emotional response from Tin-Tin to the precarious position of the sabotaged "Fireflash".
Split into simpler sentences: Among Law's criticisms of the episode is the characterisation, which is considered, at points, to be less than credible. As one example, he cites the lack of explicit emotional response from Tin-Tin to the precarious situation onboard "Fireflash".