Stream of consciousness rationale: This is the relevant information: Operation Market Garden (17 -- 25 September 1944) was an unsuccessful Allied military operation, fought in the Netherlands and Germany in the Second World War.
The question and answer pair are described below.
Q: Operation Market Garden (17 -- 25 September 1944) was an unsuccessful Allied military operation, fought in the Netherlands and Germany in the Second World War. The operation was split into two sub-operations:

Answer this question based on the passage: who won the battle of operation market garden?
A: Germany