AirAsia plans to restart services to Japan in 2016 after its revamped low-cost carrier (LCC) subsidiary AirAsia Japan returns to the market following the 2013 collapse of a joint venture with All Nippon Airways (ANA).
In the context of the input sentence, determine the relationship between 'AirAsia' and 'AirAsia Japan'.
Options: chairperson, business division, currency, director/manager