But they/that

Hi, there

Which of THESE two sentences is right?

(Talking about a book): “So there are a lot of things that they write here, but they are not actually true” or “So there are a lot of things that they write here, but (that) are not actually true”?

Thank yoi

I recommend never beginning your sentence with “so”, which is a preposition. Do not begin your sentences with a preposition. See below correct sentence.

”There are ‘many’ things written here, which are not true.

— I would remove ‘actually’ and ‘a lot of’. These

words re not needed. They are not necessarily improper but not needed. See the sentence above which will make your statement more concise.