The "Jews" is a synecdoche that represents the "Jewish leaders" who opposed Jesus. Alternate translation: "The Jewish leaders" (See: [[rc://en/ta/man/jit/figs-synecdoche]])
The Jewish leaders use this question to accuse Jesus and to dishonor him. Alternate translation: "We are certainly right in saying that you are a Samaritan and that a demon lives in you!" (See: [[rc://en/ta/man/jit/figs-rquestion]])