Но рекламная кампания оказалась неэ

Но рекламная кампания оказалась неэффективной, и запуск продукта был провален

Результаты (английский) 1:

But the advertising campaign was ineffective, and the product launch was defeated

Результаты (английский) 2:

But the advertising campaign proved ineffective, and the product launch was a failed

Результаты (английский) 3:

But the campaign has proved to be ineffective, and product launch it gets