diff --git a/submissions/chernetskyi8704/Tiny JS World/index.js b/submissions/chernetskyi8704/Tiny JS World/index.js
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+/* Refer to https://github.com/OleksiyRudenko/a-tiny-JS-world for the task details
+   Complete the below for code reviewers' convenience:
+
+   Code repository: _put repo URL here_
+   Web app: _put project's github pages URL here_
+   */
+
+// ======== OBJECTS DEFINITIONS ========
+class Person {
+  constructor(species, legs, hands, name, gender, saying) {
+    this.species = species;
+    this.legs = legs;
+    this.hands = hands;
+    this.name = name;
+    this.gender = gender;
+    this.saying = saying;
+  }
+}
+class Animal {
+  constructor(species, legs, hands, name, gender, saying) {
+    this.species = species;
+    this.legs = legs;
+    this.hands = hands;
+    this.name = name;
+    this.gender = gender;
+    this.saying = saying;
+  }
+}
+
+const man = new Person("human", 2, 2, "Dimitrij", "male", "Nice to meet you!");
+const woman = new Person("human", 2, 2, "Kate", "male", "Have a good day!");
+const dog = new Animal("dog", 4, 0, "Molly", "female", "WOOF-WOOF!");
+const cat = new Animal("cat", 4, 0, "Whiskey", "female", "Meow!");
+
+// ======== OUTPUT ========
+const allInhabitants = [man, woman, dog, cat];
+const keys = ["species", "legs", "hands", "name", "gender", "saying"];
+
+allInhabitants.map((inhabitan) => {
+  print(keys.map((key) => inhabitan[key]).join("; "));
+});