Darren and his marketing team work for a fine china manufacturer. They came up with this positioning statement: "For the stylish host who caters parties in their home, we provide the leading high$-$quality china and crystal, which is perfect for entertaining guests because of our $60$ years of experience in creating fine china and lifetime guarantee." What is missing?

a$.$ Point of difference

b$.$ Targeted consumers

c$.$ Reason to believe

d$.$ Frame of reference