I am writing to complain about my recent purchase. I purchased a box of your Strawberry Chews. Your company is called the Chewiest, Berriest Candy Company. You promise to have the chewiest and most berry-flavored candy around. However, when I opened the box and took a bite of the candy, it was neither chewy nor berry-flavored. Instead, my box was full of hard, lemon-flavored candies. As a customer, I was really hoping for a box of chewy Strawberry candy as the name Strawberry Chews suggests. I was very disappointed.
In which sentence does the writer introduce the topic she is writing about?