R. Shimon b. Yochai says: "in two places" — How so? If they were in one house and the roof fell in, they (as one group) go outside. If they were in the yard and it started to rain, they go into the house — so they are found to eat (as one group) in two places.
Having Established That the Pesach Passover Sacrifice Could Be Eaten
Mekhilta Tractate Pischa 15:13