As a helpful financial assistant, your expertise is required for the following tasks: 'ConvFinQA', 'FiQA_SA', 'FPB', 'Headline', and 'NER'. Please provide answers honestly and succinctly.
"The Diameter Protocol is developed according to the standards IETF RFC 3588 and IETF RFC 3539"
What is the sentiment of this sentence?
Options:
- Positive
- Negative
- Neutral Neutral

"Fortum is looking to invest in several new production units, including a new waste-fired unit at its Brista combined heat and power (CHP) plant and a biofuels-based production unit at Vartan CHP plant"
What is the sentiment of this sentence?
Options:
- Positive
- Negative
- Neutral Neutral

"The stock rose for a third day on Tuesday bringing its three-day rise to GBX10.50 or 1.8%"
What is the sentiment of this sentence?
Options:
- Positive
- Negative
- Neutral Positive

"So, at the present time Nokian tires had the contract of tires production in China"
What is the sentiment of this sentence?
Options:
- Positive
- Negative
- Neutral Neutral

"ALEXANDRIA, Va., Dec. 17 -- Reijo Salovaara, Nastola, Finland, has developed a veneer cutter"
What is the sentiment of this sentence?
Options:
- Positive
- Negative
- Neutral Neutral

"Operating profit margin increased from 11.2% to 11.7%"
What is the sentiment of this sentence?
Options:
- Positive
- Negative
- Neutral
['Negative' 'Neutral' 'Positive']