Refer to the input text as context and select the correct relationship between 'Apple Inc' and 'iPhone' from the available options.
Options: product/material produced, legal form, owner of, operator

TOKYO (Reuters) - Japan Display Inc's new chief executive said on Thursday the screen maker's "biggest client", widely understood to refer to Apple Inc (AAPL.O), is increasing orders ahead of the expected launch of a new iPhone this month.
product/material produced