SAXParser saxParser = saxfac.newSAXParser();
SemEvalHandler handler = new SemEvalHandler();
saxParser.parse(new InputSource(reader), handler);
return handler.contexts.iterator();
} catch (IOException ioe) {
throw new IOError(ioe);
} catch (SAXNotRecognizedException e1) {
throw new RuntimeException(e1);
}catch (SAXNotSupportedException e1) {
throw new RuntimeException(e1);
} catch (ParserConfigurationException e1) {