Which of the following has one sense?

Every expression that has meaning has sense, but not every expression has reference.

Fill in the blank:

In the sentence "The girl who gave me the sandwich is kind," the referring expression: ___, the remainder: ___, the predicator: ___

Choose the correct statement:

The expressions "the Morning Star" and "the Evening Star" have the same referent.

Fill in the blank:

The ___ of an expression is often a thing or a person in the world; whereas the ___ of an expression is not a thing at all.

"She brings him a cup of coffee" and "She brings a cup of coffee to him" are the same sentence.

Which of the following has constant reference?