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: Adam Federici lay inert on the turf for a moment. He realised the magnitude of what happened. He understood the horror of it instantly. He let his head rest on the grass and closed his eyes as if he was trying to wish it all away, as if he was trying to blot out the din and the agony and the wild celebrations of the Arsenal fans. His face was scrunched against the grass, distorted in a mask of despair. Reading, still struggling to avoid relegation to League One, had performed heroically to push Arsenal into extra-time in this FA Cup semi-final and Federici had pulled off a series of stunning saves to keep the sides level at 1-1 but the Australian goalkeeper guessed there would be no way back now.Alexis Sanchez scored after 39 minutes following some clever play by Mesut Ozil for ArsenalGareth McCleary's shot was deflected over the line on 54 as Reading hauled themselves levelSanchez struck again before half time in extra time when his shot squirmed through Adam Federici's legs 
 Question:Arsenal had an inconsistent first half before Sanchez struck clinically after _ passed to him excellently.

Mesut Ozil