Update a couple trees to have adverb types instead of ADP. Need to make sure the XPOS tags get updated in the converter when using the PTB corrector

Author: AngledLuffa

src/edu/stanford/nlp/trees/treebank/EnglishPTBTreebankCorrector.java

@@ -1166,6 +1166,15 @@ private static BufferedReader getBufferedReader(String source) {
 
     "") +
 
+    // for structures such as "over a year", "about a decade", etc
+    ("NP < (QP <1 IN=bad <2 (DT !$+ __) $+ /^N/)\n" +
+     "relabel bad RB\n" +
+     "\n") +
+
+    // for structures such as "just over a decade"
+    ("NP < (QP <1 (RB < just) <2 IN=bad <3 (DT !$+ __) $+ /^N/)\n" +
+     "relabel bad RB\n" +
+     "\n") +
 
     ("@QP < (IN|JJ|RBR|RP=bad < about)\n" +
     "relabel bad RB\n" +