I got this result from the parsing which seemed like a bug. The sentence was taken from DUC 2004 dataset.
# ::snt There were no boos.
# ::tok There were no boos .
# ::alignments 2-3|0 ::annotator JAMR dev v0.3 ::date 2017-11-19T19:54:42.228
# ::node 0 - 2-3
# ::root 0 -
(- / -)
I got this result from the parsing which seemed like a bug. The sentence was taken from DUC 2004 dataset.