The simple predicate in the given sentence is <em>'is.'</em>
Explanation:
A simple predicate can be defined as an action in a sentence. A simple predicate is a single verb in a sentence without its modifiers.
In the given sentence, a simple predicate (or simple verb) is <em>'is.'</em> The word <em>'is' </em>is the present tense third-person singular of 'be.'
Therefore, the correct answer; the simple predicate in the given sentence is <em>'is.'</em>
