Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Four years on, the images are still shocking. Faced with healthier school dinner options because of Jamie Oliver's TV series, some mothers began pushing junk food through the school gates.

Battle to encourage healthier lifestyles