What is the relationship between 'Van Heusen' and 'shirt' in the context of the input sentence.
Options: product/material produced, parent organization, developer, operator

It is the world’s largest shirt and neckwear company and markets a variety of goods under its own brands, Van Heusen , Calvin Klein , Tommy Hilfiger , IZOD , ARROW , Warner’s and Olga, and its licensed brands, including Speedo , Geoffrey Beene , Kenneth Cole New York , Kenneth Cole Reaction , MICHAEL Michael Kors , Sean John , Chaps ,and Ike Behar .
product/material produced