The phrase "a few lines which" is correct and usable in written English.
It can be used when referring to a small number of lines in a text or document that provide specific information or context.
Example: "In the report, there are a few lines which summarize the main findings of the study."
Alternatives: "a couple of lines that" or "several lines that".
It was here, in10th grade, that she wrote her first real poem: "Just a few lines which suddenly came to me after I spotted the flash of a red-winged blackbird by one of Michigan's small lakes.
The only drawback is that he was 42 when this film came out, while the real Hauser was thought to be around 17 – meaning a few lines which refer to him as a little boy or a child sound slightly peculiar.
The serious incident of which I am guilty toward you obliges me to write a few lines, which may serve to familiarize you with my great repentance for having committed so serious a mistake.
When the season began, these characters had few lines, which suggested a tricky hierarchy: the real-life Seal Boy was an extra in scenes starring Evan Peters's prosthetically created Human Lobster.
The first few lines, which as Tolkien says are a free (non-literal) translation of the Old English, run: In this section Tolkien describes variations on the basic patterns.
Vendors then could pay extra for a positive adjective ahead of their listing and for a little more, they could appear on the first page and first few lines (which get rotated generally).
It also doesn't frame the study to fit a narrative (except for a few lines possibly), which I often see in science articles these days.
In place of a stultifying focus on ancient dogmas and ceremonies, there was a return to the actual teachings of Jesus, which were being interpreted in increasingly liberal and egalitarian ways, as evidenced by the words of a popular folk hymn we used to sing, a few lines of which I recount from memory: He sent me to give the Good News to the poor.
"We had quite a few line-breaks which we didn't finish off again.
Fourth, this algorithm takes only a few lines of code, which creates an illusion of simplicity leaving at the same time a great space for experiments!
Mr. Wopat is one of the great surprises of this acclaimed production, proving with only a few lines, none of which, by the way, include curse words, that he will not be typecast.
