diff --git a/index.js b/index.js
index e69de29bb..823362a4f 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,31 @@
+function shout(string) {
+  return string.toUpperCase()
+}
+
+function whisper(string) {
+  return string.toLowerCase()
+}
+
+function logShout(string) {
+  console.log(string.toUpperCase())
+}
+
+function logWhisper(string) {
+  console.log(string.toLowerCase())
+}
+
+function sayHiToGrandma(string) {
+  if (string.toLowerCase() === string) {
+    return "I can't hear you!"
+  }
+
+  if (string.toUpperCase() === string) {
+    return "YES INDEED!"
+  }
+
+  if (string === "I love you, Grandma.") {
+    return "I love you, too."
+  }
+
+  return "Are you eating enough?"
+}
diff --git a/test/index-test.js b/test/index-test.js
index e21ecb5c3..b1db9fea2 100644
--- a/test/index-test.js
+++ b/test/index-test.js
@@ -1,4 +1,3 @@
-
 describe('shout(string)', function() {
   it('receives one argument and returns it in all caps', function() {
     expect(shout('hello')).toEqual('HELLO')
@@ -12,7 +11,7 @@ describe('whisper(string)', function() {
 })
 
 describe('logShout(string)', function() {
-  it('calls console.log() its one argument in all caps', function() {
+  it('calls console.log() with its one argument in all caps', function() {
     const spy = expect.spyOn(console, 'log').andCallThrough()
 
     logShout('hello')
@@ -24,7 +23,7 @@ describe('logShout(string)', function() {
 })
 
 describe('logWhisper(string)', function() {
-  it('calls console.log() its one argument in all lowercase', function() {
+  it('calls console.log() with its one argument in all lowercase', function() {
     const spy = expect.spyOn(console, 'log').andCallThrough()
 
     logWhisper('HELLO')