The Mishnah on Blessings after a Meal

1. Three who ate together must invite each other [to recite the blessings after the meal they have just eaten]. If [among the three] [ . . . ] one was a servant who had eaten an olive’s bulk [of food] or a Samaritan—they are included in the invitation. If one [ . . . ] was a servant who had eaten less than an olive’s bulk [of food] or a gentile…