Suppose How to knit a scarf<br>Choose your yarn and knitting needles based on the desired thickness of your scarf. Cast on the required number of stitches on your needle. Begin knitting rows in your preferred stitch pattern until the scarf reaches the desired length. Cast off the stitches and weave in any loose ends.
Can we infer that "You only need one knitting needle to knit a scarf"? Yes, no, or maybe?