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62.A findings
63.B attribute
64.D with
65.B related
66.D shrinking
67.A published
68.B to
69.B simply
70.A vital
71.C too
72.A benefits
73.D outside
74.C Exposure
75.B less
76.C analysis
77.C necessarily
78.C approved
79.B always
80.A advantage
81.D grateful