Analyze the relationship between 'Equinix' and 'Data center' within the context of the input sentence.
Options: product/material produced, developer, director/manager, business division

Equinix Earnings Jump on Stronger Business from Cloud Clients Data center landlord projects full-year revenue up to $2.7 billion By Google+ July 29, 2015 6:38 p.m.
product/material produced