What is the relationship between 'Google search' and 'Sergey Brin' in the context of the input sentence.
Options: business division, brand, chairperson, creator

Alphabet is the name that Larry Page and Sergey Brin have given the newly created parent entity that will house the Google search business and several smaller holdings like Nest, a maker of smart thermostats, and Calico, a company focused on longevity.
creator