diff --git a/education/software development/ECE1400/Chapter.md b/education/software development/ECE1400/Chapter.md
index 18fedbd..44c8ce8 100644
--- a/education/software development/ECE1400/Chapter.md	
+++ b/education/software development/ECE1400/Chapter.md	
@@ -31,5 +31,12 @@ printf("%d", i < j || k);
 > 4. Write a single expression whose value is either `-1`, `0`, or `1` depending on whether `i` is less than, equal to, or greater than `j`, respectively.
 
 ```c
-(i )
-```
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+/*
+	If i < j, the output should be -1.
+	If i == j, the output should be zero
+	If i > j, the output should be 1.
+*/
+(i > j) - (i < j)
+```
+
+> 6. Is the following `if` statement lega
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