Neste Oil said that while results from its biomass to 3 liquids demonstration plant , commissioned in June 2009 , have been promising , no decision on a commercial plant has been taken .
The sentence talks about Neste Oil's biomass to 3 liquids demonstration plant, which was commissioned in June 2009. The results from this plant have been described as 'promising', which is generally a positive term. However, the sentence also states that no decision on a commercial plant has been taken, which can be interpreted as a neutral or slightly negative statement, as it suggests that the company is still in a state of indecision or caution. Overall, the sentiment of the sentence appears to be neutral, as it presents a balanced mix of positive and negative information.
Analyze the sentence and determine if the sentiment of the sentence is neutral, positive or negative.

Neste Oil said that while results from its biomass to 3 liquids demonstration plant , commissioned in June 2009 , have been promising , no decision on a commercial plant has been taken .
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The sentence talks about Neste Oil's biomass to 3 liquids demonstration plant, which was commissioned in June 2009. The results from this plant have been described as 'promising', which is generally a positive term. However, the sentence also states that no decision on a commercial plant has been taken, which can be interpreted as a neutral or slightly negative statement, as it suggests that the company is still in a state of indecision or caution. Overall, the sentiment of the sentence appears to be neutral, as it presents a balanced mix of positive and negative information. Therefore, the sentiment of the sentence is neutral.
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