They 'talk' to each other but conversation is very empty:
Yukio and Viper threaten each other as they fight.
A: It is time for you to die
B: It is not my time yet
This movie passed 3 of 3 tests. It was entered by Victor on 2013-07-24 19:36:23.
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Though most of the women's conversations throughout the movie are about the men primarily driving the plot, Yukio and Mariko do have a well-developed relationship that other characters also reference more than once, for whatever that's worth.