On August 19, 1999, I received a letter from Dr. Chopra in which he states that, "I mentioned that all these actions were the direct consequence of my testimony, which I was requested (required) to give before the Standing Senate Committee on Agriculture and Forestry for its bovine growth hormone rBST investigations."
This occurred prior to the turn of the century
( z1 this :time ( z2 prior :op ( z3 turn :ARG1 ( z4 century ) ) ) )