Sentence:  It is the third of eight matches that Spain will play in <WSD>Group</WSD> I, but the coach Vicente del Bosque has described it as being more akin to the first leg of a cup semi-final. 
Meaning of the word marked with <WSD> tags:  A set of teams playing each other in the same division, while not during the same period playing any teams that belong to other sets in the division.