# comment
1.0 qid:1 2:2.5     10:-5.2 15:0 # an inline comment
2.0 qid:37 5:1.0 12:-3 33:0.7
0.0 qid:37 6:7 8:9 10:11
# another comment
3.0 qid:12 20:27 22:30 23:40
