The results of numerous epidemiological studies and recent clinical trials provide consistent evidence that diets rich in fruits and vegetables can reduce the risk of chronic disease.
Americans eat a lot of fruits and vegetables.
( z1 eat :ARG0 ( z2 person :mod ( z3 country :name ( z4 name :op "America" ) ) ) :ARG1 ( z5 and :op ( z6 fruit ) :op ( z7 vegetable ) :quant ( z8 lot ) ) )