What type of clause or phrase is italicized in the sentence below?

The play, a three-act farce, amused everyone.

Question

What type of clause or phrase is italicized in the sentence below?

The play, a three-act farce, amused everyone.

Mercury · Answer

The italicized phrase is supposed to be "a three-act farce"

choices:
appositive 
adverb clause
infinitive 
adjective clause 
present participial phrase

notice how this phrase is surrounded by commas, and identifies/gives more information about the preceding noun. what do we call this?

if you're still having trouble, try going through the choices one by one and reviewing the definition