In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Ex Input:
Notebooks are laptop computers that weigh between five and _ pounds.

Ex Output:
seven


Ex Input:
Southern moles are six to seven inches long and weigh _ to four ounces.

Ex Output:
three


Ex Input:
Oxygen toxicity has _ chief manifestations.

Ex Output:

three