Yellen says oil price cap limiting Russia's energy revenues so far
U.S. Treasury Secretary Janet Yellen said on Tuesday that the price cap on Russian oil imposed by Western countries in December so far appeared to be achieving its goals of keeping Russian oil on the market while limiting Russia's revenues.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: Yellen says oil price cap limiting Russia's energy revenues so far

### Response: U.S. Treasury Secretary Janet Yellen said on Tuesday that the price cap on Russian oil imposed by Western countries in December so far appeared to be achieving its goals of keeping Russian oil on the market while limiting Russia's revenues.