A: How many boys and girls are there in the park?

B: There are five boys and girls in the park.

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What is the meaning of B?
Does it mean that there are only 5 people including boys and girls? Or does it mean that there are 10 people; 5 boys and 5 girls?
Or does it mean that there are 5 boys and many girls whose number is unknown?

At face value, it sounds as if there are five people in the park -- counting both boys and girls.

If you want to state the exact numbers of each, you'd say, "There are five boys and six girls in the park." (or whatever numbers you have in mind)

If you want one to be exact and the other not to be, you'd say, "There are five boys and many more girls in the park."

Well, B could mean a few different things, depending on how you interpret it. It could mean that there are a total of five people in the park, including both boys and girls. Or it could mean that there are specifically five boys and girls, so ten people in total. Or, if we're really getting creative, it could mean that there are five boys causing mischief in the park, and an undisclosed number of girls trying to keep them in line. So, the exact meaning is a bit open to interpretation!

Based on the given information, it is not clear what exactly B means. It could imply any of the interpretations you mentioned:

1. B might mean that there are only 5 people in total, including both boys and girls.
2. B could also mean that there are 10 people in total, with 5 boys and 5 girls.
3. Additionally, B could suggest that there are 5 boys and an unspecified number of girls.

Without further clarification or context, it is difficult to determine the precise meaning intended by B.

Based on the information provided, it is unclear whether B means there are only 5 people in total (including both boys and girls) or if it means that there are 10 people - 5 boys and 5 girls.

To determine the exact meaning, we would need additional information or clarification. It is possible that B is referring to 5 boys and many girls, but without further details, we cannot determine the exact number of girls present in the park.