diff --git a/Condition.h b/Condition.h
new file mode 100755
index 0000000..cc06978
--- /dev/null
+++ b/Condition.h
@@ -0,0 +1,13 @@
+#include <iostream>
+#include "Attribute.h"
+
+using namespace std;
+
+class Condition{
+	Attribute att;
+	
+public:
+	//currently only implemented for comparison
+	Condition(Attribute a);
+	Condition(Attribute a);
+};
\ No newline at end of file
diff --git a/DBEngine.cpp b/DBEngine.cpp
index 26670b8..db596e6 100755
--- a/DBEngine.cpp
+++ b/DBEngine.cpp
@@ -29,7 +29,6 @@ vector<Relation> DBEngine::getRelations(){
 }
 	
 Relation& DBEngine::getTableFromName(string n){
-	//will return first occurence
 	for(int i = 0; i < tables.size(); i++){
 		if (tables[i].getTableName() == n){
 			return tables[i];
@@ -37,8 +36,8 @@ Relation& DBEngine::getTableFromName(string n){
 	}
 }
 
+//currently writes nothing meaningful
 void DBEngine::saveToFile(vector<string> cmds){ 
-	//writes nothing meaningful
 	ofstream file;
 	file.open("savefile.db");
 	
@@ -60,7 +59,7 @@ Relation DBEngine::projection(vector<string> input, Relation r){
 //	}
 }
 
-//ASAP: TEST ALL OF THIS
+//TEST ERRORS MATCHING
 void DBEngine::rename(Relation& r, vector<string> oldnames, vector<string> newnames){
 	if (oldnames.size() != newnames.size()) {
 		cout << "Failure to rename: number of attributes do not match.";
diff --git a/DBEngine.h b/DBEngine.h
index 20a921c..8a71981 100755
--- a/DBEngine.h
+++ b/DBEngine.h
@@ -17,8 +17,6 @@ public:
 	//void showTable(Relation r);
 	Relation& getTableFromName(string n);
 	void saveToFile(vector<string> cmds);
-	
-	//operations
 	//Relation selection();
 	Relation projection(vector<string> input, Relation r);
 	void rename(Relation& r, vector<string> oldnames, vector<string> newnames);