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.
Fruit and vegetable diets ensure you will not get a chronic disease.
The system knows the diets reduce risk but does not realize a risk still exists.
( z1 ensure :ARG0 ( z2 and :op ( z3 diet :mod ( z4 fruit ) ) :op ( z5 diet :mod ( z6 vegetable ) ) ) :ARG1 ( z7 get :polarity - :ARG0 ( z8 you ) :ARG1 ( z9 disease :mod ( z10 chronic ) ) ) )