update

parse.py

@@ -10,6 +10,7 @@ def parse(words):
     input_sentence = benepar.InputSentence(words=words)
     tree = parser.parse(input_sentence)
     tree = str(tree).replace('-LRB-','\\(').replace('-RRB-','\\)').replace('-LSB-','\\[').replace('-RSB-','\\]').replace('($(-','($\\(-')
+    tree = tree.replace("$(", "$LRB").replace("$)", "$RRB")
     # put the whole parse tree on a single line
     tree = re.sub(r'\s+', ' ', tree.strip())
     tree = re.sub(r' \(', '(', tree)