What types of content are included in the following news: supply and demand, cooperation? And provide the paragraph where each type of content is located in the text separately.
Output each event in JSON format with the keys: "supply and demand", "cooperation". If the information isn't present, use "unknown" as the value.

The world's largest miner had agreed in July to supply nickel to Tesla Inc (TSLA.O) and work with the company on lowering carbon emissions in the battery supply chain. read more
BHP's agreement with Prime Planet and Toyota Tsusho, the automaker's metals trading arm, pursues similar objectives and also aims to boost transparency around raw materials sourcing and human rights reporting.
The parties will also explore the possibility of recycling batteries at BHP's Nickel West operations at Kwinana, near Perth, for further processing and production of nickel-bearing products, they said in a joint statement.
"This partnership has great potential to secure competitive raw materials as well as to create battery material recycling loops, which is crucial for EV development in the future," said NAME_1, chief operating officer of metals at Toyota Tsusho. Provide your reponse without using the word production.
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