You will be given a definition of a task first, then some input of the task.
In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.

Article: Cars!!! Holidays! Thousands of prizes! Hurry! Free with every packet of splash! Your personal lucky number! Will be among the 500,000 winners! Use splash for the softest...quickest... whitest wash! Don't delay... buy a packet today!
Answer: could get the personal lucky number.
Output:
Those who bought a packet of splash _ .