Complex sentence: The 2010-11 season started with Vaslui's failed attempt to qualify for the first time in Europa League's Group Stages after being defeated 0-2 by French side Lille OSC in the play-off stage.
Split into simpler sentences: The 2010-11 season started with Vaslui's failed attempt to qualify for the first time in Europa League's Group Stages. However Vaslui was defeated 0-2 by French side Lille OSC in the play-off stage.