Based on the news about the stock in the past five trading days, please predict the rise or fall of the stock in the next trading day. If the stock is predicted to rise in the next trading day, please output [Rise], if the stock is predicted to fall in the next trading day, please output [Decrease].

Date:2018-02-09, Stock:PSA, The news for the past five days is as follows:
2018-02-02: NEWS1: Single-Family REITs: Consolidating A Fragmented Industry.NEWS2: Single-Family REITs: Consolidating A Fragmented Industry.NEWS3: Public Storage Announces Organization Transformation Video Contest Winners.
2018-02-05: nan
2018-02-06: NEWS1: Noteworthy ETF Outflows: VNQ, EQIX, PLD, PSA.NEWS2: Noteworthy ETF Outflows: VNQ, EQIX, PLD, PSA.NEWS3: 9 Impressive Dividend Stocks to Buy and Hold.NEWS4: 9 Impressive Dividend Stocks to Buy and Hold.
2018-02-07: nan
2018-02-08: NEWS1: Public Storage Launches Be Our Valentine Video Contest.

Answer: Rise