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: Oil production in Brazil has been disrupted by a strike against a planned auction for rights to explore a huge offshore oilfield near Rio de Janeiro.

Brazil Petrobras workers on strike over Libra oilfield auction