Instructions: In this task, you are given a piece of an article. Your task is to generate a short summary of the text. Try to give the summary in just one sentence.
Input: Spain manager, Vicente del Bosque, assured today that ``you also learn from defeats'', such as Spain's most recent game against South Africa, and that ``continuous victories can start to cause problems''.
Output:
Barack Obama has called for the release of an American pastor imprisoned in Iran.