Initial data from a late-stage study comparing Amgen's (AMGN) Stelara biosimilar candidate with the original Stelara drug showed no clinically meaningful differences in treating plaque psoriasis.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Initial data from a late-stage study comparing Amgen's (AMGN) Stelara biosimilar candidate with the original Stelara drug showed no clinically meaningful differences in treating plaque psoriasis.
### Response: mildly positive