it`s a fiesta teacup

There are two types of cups for "tea time",

Cup A - one has a handle & is shorter in height, (western style cup)

Cup B - the other doesn't have a handle & is taller in height. (Asian style cup for tea)

press left Button to pour tea into the left cup & middle button to pour tea into the right cup.

Game objective: Only pour tea into Cup B.

So press the correct button to pour tea into the correct cup(s)

a tea cup handle

Ear (s)

He has a cup of tea.

There is no such English phrase as "tea of a cup." You either have a cup of tea, or you have tea in a cup.