<human>: Question: What is a term that collectively refers to Northumbrian and Mercian?

Is "In terms of geography the Northumbrian region lay north of the Humber River; the Mercian lay north of the Thames and South of the Humber River; West Saxon lay south and southwest of the Thames; and the smallest, Kentish region lay southeast of the Thames, a small corner of England." the correct answer?

OPTIONS:
- yes
- no
<bot>: no