I am fairly certain the shape is a normal curve, but I am unsure how to go about interpreting it using the three theories

Obtain current information on the Treasury Yield Curve (Use data from the Federal Reserve or the Treasury department websites). Plot the Yield Curve and interpret its shape using i. The Expectations Hypothesis ii. The Segmented Markets Theory iii. The Preferred Habitat & Liquidity Preference Theories. Which theory (i, ii, or iii) do you think best describes the curve