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diff --git a/exercises/modules/modules2.rs b/exercises/modules/modules2.rs
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+// modules2.rs
+// Make me compile! Scroll down for hints :)
+
+mod us_presidential_frontrunners {
+    use self::democrats::HILLARY_CLINTON as democrat;
+    use self::republicans::DONALD_TRUMP as republican;
+
+    mod democrats {
+        pub const HILLARY_CLINTON: &'static str = "Hillary Clinton";
+        pub const BERNIE_SANDERS: &'static str = "Bernie Sanders";
+    }
+
+    mod republicans {
+        pub const DONALD_TRUMP: &'static str = "Donald Trump";
+        pub const JEB_BUSH: &'static str = "Jeb Bush";
+    }
+}
+
+fn main() {
+    println!("candidates: {} and {}",
+             us_presidential_frontrunners::democrat,
+             us_presidential_frontrunners::republican);
+}
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+// The us_presidential_frontrunners module is trying to present an external
+// interface (the `democrat` and `republican` constants) that is different than
+// its internal structure (the `democrats` and `republicans` modules and
+// associated constants). It's almost there except for one keyword missing for
+// each constant.