"You are suffering from a cold." (A chain to support that)
Jami` at-Tirmidhi Book 43, Hadith 13
← Previous Hadith Shu'bah reported this Hadith from 'Ikrimah bin 'Ammar and it is similar to the narration of Yahya bin Sa'eed. (A chain to support that).

Jami` at-Tirmidhi Book 43, Hadith 12 Next Hadith → from his mother, from her father, who said: "The Messenger of Allah (ﷺ) said: 'Reply three times to the sneezing person. If he (sneezes) more, then if you wish reply and if you do not then do not.'"

Jami` at-Tirmidhi Book 43, Hadith 14