<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE flow PUBLIC  "liteflow" "liteflow.dtd">
<flow>
    <chain name="r_chain1">
        <route>
            r1
        </route>
        <body>
            THEN(b,a);
        </body>
    </chain>

    <chain name="r_chain2">
        <route>
            OR(r1,r2)
        </route>
        <body>
            THEN(a,b);
        </body>
    </chain>
</flow>