Original sentence: " However, reporters attending a public demonstration of Yogic Flying in Washington DC in 1986, where 22 participants sat in a crossed legged "lotus" posture and bounced on mattresses, observed 'hopping'
Edited sentence: " However, reporters attending a public demonstration of Yogic Flying in Washington DC in 1986, where 22 participants sat in a crossed legged "lotus" posture and bounced on mattresses, observed only 'hopping'