Teacher: In this task, you will be shown an extract from a movie plot and a question. You need to provide the correct answer for it. Short answers containing words that are present in the passage are preferred.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Twenty-year-old Will Hunting of South Boston is a self-taught, genius-level intellect, though he works as a janitor at the Massachusetts Institute of Technology and spends his free time drinking with his friends, Chuckie (Ben Affleck), Billy (Cole Hauser) and Morgan (Casey Affleck). When Professor Gerald Lambeau (Stellan Skarsgård) posts a difficult mathematics problem as a challenge for his graduate students, Will solves the problem anonymously, stunning both the graduate students and Lambeau himself. As a challenge to the unknown genius, Lambeau posts an even more difficult problem. Lambeau chances upon Will solving the problem but Will flees the scene. That night at a bar, Will meets Skylar (Minnie Driver), a British student about to graduate from Harvard, who plans on attending medical school at Stanford and gives Will her phone number before leaving., Question: How old is Will Hunting in the movie ?
Solution: Answer: Twenty years
Reason: This is a good example which results in a factoid answer.

Now, solve this instance: Ali takes his little sister Zahra's shoes to the shoemaker to be repaired, but loses them on the way home. The siblings decide to keep the predicament a secret from their parents, knowing that there is no money to buy a replacement pair and fearing that they will be punished. They devise a scheme to share Ali's sneakers: Zahra will wear them to school in the morning and hand them off to Ali at midday so he can attend afternoon classes. This uncomfortable arrangement leads to one adventure after another as they attempt to hide the plan from their parents and teachers, attend to their schoolwork and errands, and acquire a new pair of shoes for Zahra. Zahra sees the shoes on a schoolmate's feet, and follows her home, but the two soon become friends.Ali enters a high-profile children's footrace in the hope of receiving the third prize of a new pair of sneakers. He accidentally places first and wins another prize instead. The film ends with Zahra finding out that she will not get a new pair of shoes, but there is a quick shot of their father's bicycle at the end of the movie that shows what appears to be the red shoes Zahra had been focusing on earlier and another pair of white sneakers, presumably for Ali, whose old sneakers were torn from so much use. The film ends with the final shot showing blisters on Ali's feet. Some versions include an epilogue revealing that Ali eventually achieves the larger-scale success of having a racing career., Question: Why does Ali enter a high-profile children's footrace?
Student:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Answer: In the hope of receiving the third prize and buying a new pair of sneakers.