var pickRandomWords = function (words) {
            return words[Math.floor(Math.random() * words.length)];
        }

        var choiceGender = prompt('U gender ?');

        var maleNames = ['Andry', 'Abraham', 'Arnold', 'Arnold', 'Carl', 'Donald', 'Gabriel', 'Gerald', 'John'];
        var famaleNames = ['Adriana', 'Ana', 'Catherine', 'Ellen', 'Tina', 'Victoria', 'Pat', 'Maureen'];

        var maleGender = ['Male', 'male', 'man', 'Man'];
        var famaleGender = ['Famale', 'famale', 'woman', 'Woman'];

        if (choiceGender === maleGender) {
            alert('Are you ' + pickRandomWords(maleNames));
        } else if (choiceGender === famaleGender) {
            alert('Are you ' + pickRandomWords(famaleNames));
        } else {
            console.log('no');
        }