How does the first form of qawl bi-l-mūjib work?

Tawjīh, Serious Intent in Jest, Feigned Ignorance, Qawl bi-l-Mūjib and Iṭrād

• By declaring every word of the opponent false
• By simply agreeing with the opponent
• By affirming the opponent’s attribute of another proper referent
• By listing names and ancestors