Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Lionel Messi and Angel di Maria are at the centre of a huge controversy in Argentina after appearing to undermine national boss Gerardo Martino's half-time team talk during the 2-2 draw with Paraguay. The pair covered their mouths as they laughed together coming out of the tunnel for the second half of their country's first Copa America game in La Serena. The duo were allegedly heard laughing off either Martino, his staff, or their team-mates' half-time suggestions that the match was not tied up, despite Argentina's 2-0 half-time lead. Barcelona's Messi is apparently heard saying: 'What was said in the dressing room? Piece of cake?'Lionel Messi and Angel di Maria have allegedly been heard criticising either their Argentine manager, staff members or team-mates' half-time team talkThe pair covered their mouths as they joked coming out of the tunnel at half-time in their country's first Copa America game against ParaguayMessi is apparently heard saying, 'What was said in the dressing room? Piece of cake?'Di Maria then seems to respond, 'That this is not an easy result.'If their comments are accurate they were ill-advised as Argentina threw away a 2-0 half-time lead to draw 2-2 
 Question:The _ press were desperate to find out what the talented pair had joked about and after scrutinising various forms of the footage believe to have discerned what was being said.

Argentina