Sina: Cass?HEARD(Viagra)?

Cass: ? ? HEARD(Cass, Viagra), ? ? USE(Cass, Viagra), ? ? QUALITY(sex, Viagra, amazing)

Sina: ?? (? ? QUALITY(sex, Viagra, amazing))?

Cass: ?? (? ? QUALITY(sex, Viagra, amazing)

Sina: ? QUALITY(sex, Viagra, amazing), WOW(Sina)