@Stockoptionexpert: $MAT - 6%, big trader added 10000 April put contracts 3 days ago  http://stks.co/c1Ols
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: @Stockoptionexpert: $MAT - 6%, big trader added 10000 April put contracts 3 days ago  http://stks.co/c1Ols
### Response: negative