3 A: Would you like to try white water rafting at the weekend?

Answer (EN)

• B: a I'm sorry, but I can't. (This is a polite way to decline an invitation or offer.)
• B: b Thank you. (This is a polite acknowledgement, often used in response to an offer or invitation, even if not explicitly accepting or rejecting.)

Перевод (RU)

• Б: а Извините, но я не могу.
• Б: б Спасибо.