A new mishnah! A Jew may not rent a house to a non-Jew in the land of Israel, and clearly not a field. In Syria, a Jew may rent a house to the non-Jew, but not the field. And in the Diaspora, a Jew may indeed sell a house to a non-Jew and rent out the fields. (All according to Rabbi Meir). Rabbi Yossi's response is more generous. The Gemara notes that even where one may rent out a house to a non-Jews, there is no permit to do so for purpose of using the space as residential. Plus, the questions that arise (including mezuzah) when a Jew wants to rent to the non-Jew, for example. But for the one who sells in the land of Israel, he would still have puzzlement over what is leftover as a concern of idolatry, for example. Note the extra caution of not selling houses to the Syrians (regardless of the fields). Plus, no bathhouses...