which of the following distinguishes lymphatic vessels from veins

The definite noun phrase the following examples contains enough information for the reader to identify which examples are being talked about. The examples that the definite noun phrase refers to are the ones that are about to be mentioned. Which of the following statements is grammatically incorrect? And why? (I don't know the answer. Ignore the marks) Meats and vegetables are so expensive these days. We'd better eat out. I'd rather go News Medical: Researchers elucidate mechanism by which blood and lymph vessels remain separated Researchers from Kumamoto University (Japan) have clarified the mechanism by which blood and lymph vessels remain segregated from one another after development. The characteristics and structures of ...