question: In January 2010 , what markets did Mark Zandi testify about that remain impaired and investors anticipate more loan losses ?
answer: securitization markets
turker_answer: In January 2010 , Mark Zandi testified about securitization markets that remained impaired and investors anticipated more loan losses .
rule-based: In January 2010 , Mark Zandi testified securitization markets about that remain impaired and investors anticipated more loan losses .