qrel.txt

1 0 A 1
1 0 B 1
1 0 C 1
2 0 A 0
2 0 B 1
2 0 C 0
3 0 A 0
3 0 B 0
3 0 C 1
4 0 A 0
4 0 B 0
4 0 C 1

The format is: | query | unused | document | binary relevance 0/1 |.

For example, the first row says, document A is relevant to query 1, and the second-last row says document B is not relevant to query 4.

These judgments are created manually.