} else if (token.equals("CLEAR") && tokenizer.countTokens() == 1) {
try {
token = tokenizer.nextToken();
TreeSet<String> clearSet = SPF.clear(token);
if (clearSet.isEmpty()) {
<BUG>result += "NOT FOUND\n";
</BUG>
} else {
for (String value : clearSet) {
result += value + '\n';

} else if (token.equals("CLEAR") && tokenizer.countTokens() == 1) {
try {
token = tokenizer.nextToken();
TreeSet<String> clearSet = SPF.clear(token);
if (clearSet.isEmpty()) {
result += "NONE\n";
} else {
for (String value : clearSet) {
result += value + '\n';
