Figure 1: Trends in Certain Actual and Projected Federal  Fiscal Years 1980 Through 2006
The pie graph shows the trends that happened between 1980 and 2006. 
mnli hypothesis: The pie graph shows the trends that happened between 1980 and 2006.  premise: Figure 1: Trends in Certain Actual and Projected Federal  Fiscal Years 1980 Through 2006