5. Postional Indexes and Phrase Queries Shown below is a portion of a positional index in the format: term: doc1: {positioni, position2, ...); doc2: [positioni, position2, ...]; etc. angels: 2: [36,174,252,651]; 4: [12,22,102,432]; 7: [17]; fools: 2: [1,17,74,222]; 4: [8,78,108,458]; 7: [3,13, 23, 193]; fear: 2: [87,704,722,901]; 4: (13,43,113,433]; 7: (18,328,528]; in: 2: (3,37,76,444,851]; 4: (10,20,110,470,500]; 7: (5,15, 25, 195]; rush: 2: [2,66,194,321,702]; 4: [9,69,149,429,569); 7: (4,14,404); to: 2: [47,86,234,999]; 4: (14,24,774,944]; 7: (199,319,599,709]; tread: 2: [57,94,333]; 4: [15,35,155]; 7: [20,320]; where: 2: [67, 124,393,1001]; 4: (11,41, 101,421,431]; 7: [16,36,736]; Which document(s) if any match each of the following queries, where each expression within quotes is a phrase query? a. "fools rush in" b. "fools rush in" AND "angels fear to tread