Mad Lib Guest Book
What -- Mad Libs is a phrasal template word game where one player prompts another for a list of words to substitute for blanks in a story, usually with funny results. The game is especially popular with American children and is frequently played as a party game or as a pastime. - wikipedia
How -- More and more couples are using mad lib guest book because they are more fun compared to traditional guest book. Guests get to insert adjectives, verbs, pronouns into the template, creating a unique, heartfelt message to the couples.
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