 
 <prompt> Wetin happun six years ago? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: For April 2010, Shell talk say dem wan sell dia downstream business for all African countries except South Africa and Egypt to Vitol and "Helios". For some countries like Tunisia, protests and strikes start to happen. Shell talk say dem no dey sell anything. Shell still dey do upstream work for Niger Delta wey get plenty oil and downstream/commercial work for South Africa. For June 2013, the company talk say dem dey review dia operations for Nigeria, dey hint say dem fit sell assets. For August 2014, the company talk say dem dey finalize the sale of dia interests for four Nigerian oil fields. 