1. In the family activities day, the sons and the daughters gave their mothers a big kiss on their cheeks. After that, the mothers gave the sons and the daughters a warm hug.
2. In the family activities day, sons and daughters gave their mothers a big kiss on their cheeks. After that, mothers gave sons and daughters
Briefly, the use of 'the' in #1 makes the whole sentence more specific. Without 'the', #2 becomes a more general statement.
I do agree with you Clive, but don't you think too many 'the's makes the sentence sounds unnatural or perhaps a lil awkward? If both sound natural to you then which is a better one to use in an (can this p
You can leave out the "the's" after daughters: The sons and daughters.
It's common enough to refer to both together, and no one will think that you mean a specific set of sons but a general sense of daughters. That will remove two of the "the's" and perhaps make it sound a little more natural.