Example:

They are studying how to improve people's diet.

Who are they? Research? Become? Method? Yes? Improve? People's Diet. ?

You should combine exercise with healthy diet.

What about you? Should? Try it? Where to? Combination? Exercise? With what? Answer? Healthy? Diet. ?

Scientists have found the relationship between diet and cancer.

Scientists? Really? Are you sure Answer? Link? Between? Diet? And then what? Cancer. ?

This disease is usually treated with drugs and strict diet.

That? Conditions? Is it? Usually? Treatment? With what? Drugs? And then what? Answer? Strict? Diet. ?

This diet is said to have the effect of eliminating toxins in the body.

This? Diet? Claim? Where to? Eliminate? Toxins? From where? That? Body.