 
 <prompt> Wetin be the plural form of datum? Based on the question wey I ask before, write one context wey get the answer. E fit be 1 - 20 sentences. Context: <response>: ```The Philadelphia dialect, wey dey spread throughout the Delaware Valley and South Jersey, na part of Mid-Atlantic American English, and as such e dey identical for many ways to the Baltimore dialect. Unlike the Baltimore dialect, however, the Philadelphia accent also get many similarities with the New York accent. Thanks to over a century of linguistics data wey researchers for the University of Pennsylvania don collect, the Philadelphia dialect under sociolinguist William Labov don be one of the best-studied forms of American English.[f]``` 