How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,5.39.217.77$ ?5 Q- {# N. z+ I: ?$ Y1 Y
5.39.217.774 R3 {7 G2 f4 p% ^
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
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8 g2 r2 o% g" c$ Z% ~Thank you very much