Which of the following sentences contains an analogy?

My grandmother, whom we affectionately call nanny is the best baker I know
Everything taste better if it’s made by nanny for everything she bakes is made with love
Her Keylime pie is the perfect delicate balance between sweet and savory
Nanny mixes and stirrers and measures with as much care as a scientist in a lab

Her Keylime pie is the perfect delicate balance between sweet and savory