Hard to understand the question. Basic Aggregation - $match and $project

Using the Aggregation Framework, find a count of the number of movies that have a title composed of one word. To clarify, “Cinderella” and “3-25” should count, where as “Cast Away” would not.

What is “3-25” means here? Is it title split count or number of characters count?

title split count as in

It is the title of a movie that does not have a space, so it is one word and should be counted.

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OK thanks. I got correct in lab.