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: US President Barack Obama has said he is "optimistic" about the political transition process in Myanmar during a visit to the country - but added that "change is hard".

Myanmar reforms: Obama 'confident' of political change