Question: F. Duerr & Sons Ltd. is an independent British manufacturer of jam, marmalade, peanut butter and preserves, based in Wythenshawe, an area of what country?
Sentence (from "Peanut butter test"): The researchers concluded that patients with Alzheimer's were not able to smell the peanut butter as well through their left nostril as their right one.
Relevant evidence: No