Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: St Patricks Vinyl Tablecloth 52"x70" Oblong
Product description: Easy care St. Patty's Day vinyl tablecloths. Wipe clean with damp cloth or sponge. Fun and festive shamrock and Irish sentiments print.
Product feature: Fun and Festive Shamrock Print Vinyl Tablecloths, Easy care, just wipe down with damp sponge or cloth., 100% Vinyl Top and 100% Polyester Flannel Backing, Perfect for you St. Patricks Day Celebration or Party, Size is 70 inch round - seats 4 to 6.
Product brand: Nantucket
Target attributes: Season
Answer: attribute: season
value: None
source: None