Identify the Irrelevant sentence in the passage.
(I) Our bodies are made from the foods that we eat (II) All foods consist of proteins, fats, carbohydrates, trace nutrients, and non-digestible components, such as fibre. (III) A varied diet with the right proportion of nutrients is the foundation of good health. (IV) Low levels of minerals or vitamins can cause diseases such as anaemia, goitre, pellagra, rickets, scurvy, and mental retardation. (V) The proportion and quantity of the foods that we eat determine whether we will be healthy or develop nutritional diseases.