1.   Complicating matters is the fact that modified grains are often mixed with conventional crops.

2.   Grains were mixed.

3.   In addition, modified grains are often mixed with conventional crops during shipping.

4.   Other grains were mixed, and soybeans gained.

5.   Soybean prices rose modestly Wednesday in early activity on the Chicago Board of Trade, while grains were mixed.

6.   Grains were mixed and soy products were down Tuesday on the futures market.

7.   Grains were mixed here on Thursday, while soy prices gained ground.