Analyze the relationship between 'Philippines' and 'Asia-Pacific Economic Cooperation' within the context of the input sentence.
Options: brand, member of, distribution format, distributed by

Trade sources say that an in-principle TPP deal at the Maui meeting would allow time for legal documents to be prepared for leaders like US President Barack Obama and Prime Minister Tony Abbott to officially sign at the Asia-Pacific Economic Cooperation meeting in the Philippines in November.
member of