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