UNORDERED
Before
1: S
are
After
1: S
lists, list, pairs, sets, pair, set3: SUU
merchandise3: USU
collection4: SUUU
categories
Surrounder Phrases
linked lists, list, pairs, file, pairdata collection, sets, set, file, items, structure, collections, are, array, pairscategorical data, structuretwo sets, pairs, categories, collections, lists, items, categoricaltree structuretetrads aremerchandise categories, items, goodslist items, fileare linked, twofile lists, list, structuresequence data, pairsitems arecategories are, listtrees arearray list, lists, data, structuregoods arepitch sequence, sets, collection, structurecollections arepairs arelists items, arepair sequencesets are