i.rows: 47
ii.columns: 5
iii.function: ngram-fingerprint, 120
iv.GREL_categoryname: if(value==null,'Unknown',value)
v.GREL_highpriced: if(value.toNumber() > 90, "1", "0")
vi.GREL_hasoffer: if(or(toLowercase(value).contains("discount"), toLowercase(value).contains("offer"), toLowercase(value).contains("sale")), "1", "0")