A sentence is a list of words separated by a single space, where each word consists of uppercase and lowercase English letters.

A sentence is considered circular if:

• The last character of each word is equal to the first character of the following word.

• The last character of the last word is equal to the first character of the first word.

Given a string sentence, determine whether it is circular. Return true if it is circular, or false otherwise.

Constraints:

• $1 \leq$ sentence.length $\leq 500$

• sentence consists of only lowercase and uppercase English letters and spaces.

• The words in sentence are separated by a single space.

• There are no leading or trailing spaces.

Now, let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:

We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.

Implement your solution in the following coding playground.