public function createExercise()
{
$users = User::all();
$words = Word::all();
foreach (range(1, 5) as $i) {
$user = $users->random();
$word = $words->random();
$translation = $word->translations->random();
$exercise = new Exercise();
$exercise->status = 'new';
$exercise->reading = 10;
$exercise->memory = 10;
$exercise->user()->associate($user);
$exercise->word()->associate($word);
$exercise->translation()->associate($translation);
$exercise->save();
echo 'Exercise id: ' . $exercise->id . '<br>';
}
}
