Answer:
sandwich
Step-by-step explanation:
Sandwich Generation is a term that describes a group of certain people, who are middle aged, specifically between 30s - 50s, and holds the responsibilities bringing up their children and as catering for their parents.
Hence, in this case, going by the descriptions of Edgar and Jayne as a couple, it is correct to consider them as SANDWICH GENERATION, as they are responsible for raising their children and as well catering for their parents.