Determine if the sentence is true based on the text below:
more or less than 1.5 pounds can be used

How to make korean sweet potato cake<br>Fill a medium sized stock, soup or multi-cooking pot with 1.5 lbs of korean sweet potatoes (unpeeled). Cover with already hot water (to speed up the boiling process) so that the korean sweet potatoes are resting about one inch below the surface. Bring korean sweet potatoes to a boil and let cook for 25 minutes.
It's impossible to say