diff --git a/bitshift/query/__init__.py b/bitshift/query/__init__.py
index d183bde..fc602f6 100644
--- a/bitshift/query/__init__.py
+++ b/bitshift/query/__init__.py
@@ -1,7 +1,12 @@
 from .nodes import *  ## TODO
 from .tree import Tree
 
-__all__ = ["parse_query"]
+__all__ = ["QueryParseException", "parse_query"]
+
+class QueryParseException(Exception):
+    """Raised by parse_query when a query is invalid."""
+    pass
+
 
 def parse_query(query):
     """
@@ -16,8 +21,25 @@ def parse_query(query):
 
     :return: A tree storing the data in the query.
     :rtype: :py:class:`~.query.tree.Tree`
+
+    :raises: :py:class:`.QueryParseException`
     """
-    pass
+    for term in query.split(" "):
+        pass
+
+    language:"Python"
+    lang:
+    l:
+
+    author:"Ben Kurtovic"
+
+    modified:before
+    modified:after
+    created:before
+    created:after:"Jaunary 4, 2014"
+
+    func:"foobar"
+    func:re|gex:"foo?b|car"
 
     # "foo" -> Tree()
     # "foo bar" -> "foo bar" OR ("foo" or "bar")
diff --git a/bitshift/query/tree.py b/bitshift/query/tree.py
index 3f09c0c..4c1b463 100644
--- a/bitshift/query/tree.py
+++ b/bitshift/query/tree.py
@@ -6,5 +6,13 @@ class Tree(object):
     def __init__(self, root):
         self._root = root
 
+    def __repr__(self):
+        return "Tree({0})".format(self._root)
+
     def serialize(self):
-        pass
+        """Create a string representation of the query for caching.
+
+        :return: Query string representation.
+        :rtype: str
+        """
+        return repr(self)