Gwen and Henry are on not on consecutive benches. They must be on 1 and 4. If G and H were on 1 and 3, F and J couldn’t go together.
Since F and J go one after another, they’ll be in the middle. It looks like this:

A is CORRECT. Victor goes beside Frank.
B can’t be true. If we put Frank and Victor in 3 and Joan in 4 then G and H would be consecutive.
C, D and E all could be true but don’t have to be. Wanda can go anywhere that is open as long as we put Gwen somewhere else.

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