function classCat(arr) {

    class Cat {
        constructor(name,age) {
            this.name = name;
            this.age = age;
        }

        meow() {
            console.log(`${this.name}, age ${this.age} says Meow`);
        }
    }

    for (let i = 0; i < arr.length; i++) {
        let catData = arr[i].split(' ');
        let name, age;
        [name, age] = [catData[0], catData[1]];
        let cat = new Cat(name, age);

        cat.meow();
    }
}