Решение:
Вот как можно разделить текст на 5 предложений, добавив заглавные буквы:
- On the last Saturday of July Ann and Tina were taking their dogs for a walk in the park.
- They walked down Clark Avenue and as they were entering the park a ginger cat ran in front of them.
- The cat looked very thin and hungry so the girls decided to take the cat home and take care of him.
- Ann took a picture of the cat and posted it on the neighbourhood social group.
- An hour later a woman by the name of Mrs. Thompson called at their house and she was very happy that the girls had found her cat.
Ответ: Текст разделен на 5 предложений с исправленными заглавными буквами.