No, that was helpless laughter, and in fact, to record that, all they had to do was record me watching one of my friends listening to something I knew she wanted to laugh at, and I just started doing this.
Das war haltloses Lachen. Dafür mussten sie bloß mich aufnehmen. Ich beobachtete dabei meine Freundin bei einem voraussehbaren Lachen und ich fing an zu lachen.