Analyze the relationship between 'Apple Inc' and 'software' within the context of the input sentence.
Options: chairperson, product/material produced, subsidiary, manufacturer

Some carmakers, including BMW (Swiss: BMW.SW - news ) and Tesla Motors Inc (Xetra: A1CX3T - news ) , can update car software over the air, as Apple Inc (NasdaqGS: AAPL - news ) does with its phones.
product/material produced