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.
Take context from the input text and decide on the accurate relationship between 'Google search' and 'Sergey Brin' from the options provided.
Options: product/material produced, owned by, manufacturer, founded by