Analyze the relationship between 'Indra Nooyi' and 'PepsiCo' within the context of the input sentence.
Options: member of, owner of, manufacturer, employer

The soda recently ditched the artificial sweetener aspartame for sucralose (or Splenda), but some longtime connoisseurs are saying it has a “nasty aftertaste” and is “unpalatable.” PepsiCo Chief Executive Indra Nooyi said it would take a few cycles to see the effect of the change.
employer