Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

OTTAWA Aug 31 (Reuters) - Canada's current account deficit narrowed slightly in the second quarter of 2015 to C$17.40 billion ($13.18 billion) on more favorable trade in goods and services, Statistics Canada said on Monday.

Answer: headquarters_location: Statistics Canada, OTTAWA