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:2019-05-22, Stock:snap, The news for the past five days is as follows:
2019-05-15: NEWS1: Uber short selling was muted, early figures suggest.NEWS2: Short selling of Uber was in line with other prominent tech floats.NEWS3: Smile! Selfies are following a rich oral storytelling tradition.
2019-05-16: NEWS1: Why Snap, Kemet, and Iovance Biotherapeutics Jumped Today.NEWS2: Why Snap, Kemet, and Iovance Biotherapeutics Jumped Today.NEWS3: Pinterest stock plunges as losses are nearly three times higher than expected.NEWS4: Why Snap, Kemet, and Iovance Biotherapeutics Jumped Today.NEWS5: Why Snap Stock Jumped Today.NEWS6: Why Snap Stock Jumped Today.NEWS7: Why Snap Stock Jumped Today.NEWS8: Snap stock gains after Facebook kills Snapchat competitor.NEWS9: Why Pinterest is immune from problems facing Facebook, YouTube, and Twitter.NEWS10: Instagram is killing Direct, its standalone Snapchat clone app, in the next several weeks.
2019-05-17: NEWS1: Can Facebook Stock Rally Back to $200?.NEWS2: In gender-swap photo filters, some trans people see therapy.NEWS3: In gender-swap photo filters, some trans people see therapy.
2019-05-20: NEWS1: Jim Cramer reveals his top social media stocks.NEWS2: Cramer's list of best social media stocks.NEWS3: Gender filter stirs emotions for some trans people.NEWS4: When It Comes to Risk, Pinterest Stock Is a Better Buy Than Snapchat.NEWS5: When It Comes to Risk, Pinterest Stock Is a Better Buy Than Snapchat.NEWS6: Snap finds new CFO within its own ranks.NEWS7: Snap names Derek Andersen as CFO, filling void left by Tim Stone&apos;s departure.NEWS8: Snap names Derek Andersen as CFO, filling void left by Tim Stone's departure.NEWS9: Snap Appoints Chief Financial Officer and Chief People Officer.NEWS10: After an Epic Rebound, Snap Stock Could Test Investors.NEWS11: After an Epic Rebound, Snap Stock Could Test Investors.NEWS12: When It Comes to Risk, Pinterest Stock Is a Better Buy Than Snapchat.NEWS13: After an Epic Rebound, Snap Stock Could Test Investors.NEWS14: Snap names new CFO after former finance chief’s abrupt exit.
2019-05-21: NEWS1: Snap Is Making Up for Last Year.NEWS2: TikTok parent launches new messaging service challenging Snapchat and Facebook.NEWS3: Why Tencent’s Gaming Revenue Fell Again in Q1.NEWS4: Snap's new gender-swapping feature shows it's more innovative than Facebook.NEWS5: Why Snap’s Stock Surged 7% on May 15.NEWS6: Gender filter stirs emotions for some trans people.NEWS7: Snap Names Derek Andersen Finance Chief and Lara Sweet Chief People Officer.NEWS8: TJX posts Q1 results, Trump campaign opens wallet for Facebook, Snap fills executive positions.NEWS9: Snap Doesn't Rank High on My List Either.NEWS10: 'That shaped me': How an Iranian immigrant and tech CEO built his American Dream.NEWS11: In gender-swap photo filters, some trans people see therapy.

Answer: Decrease