What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

GOL Linhas Aereas Inteligentes SA (NYSE: GOL) has entered into definitive arrangements through an investment agreement with American Airlines Group Inc (NASDAQ: AAL). GOL will expand its commercial cooperation with American and an equity investment of $200 million by American in 22.2 million newly issued preferred shares of GOL through a capital increase for a 5.2% participation in GOL's economic interest.
mildly positive