A well-written paragraph without a stated topic sentence has NO MAIN IDEA. Hence, it is not so well-written after all, since a paragraph must have a structure within which we identify the following:
The topic sentence, which should be stated at the beginning of the paragraph, since it is the leading idea to be discussed.
Then, it comes the paragraph properly said.
Finally, it is advisable that the paragraph has a round up.
Explanation: The Data is informing you that the meat or beef requires about 2,600 gallons of water. Now.. not everybody knows that tharts why it data... because it is informing you. hope this helps