| Din | Reason |
Rabbi Eliezer | One can only eat until the time of Biur of the very first type | Because even the last type contains a forbidden taste of the first type. |
Rabbi Yehoshua | One may eat until the time of Biur for the last type has come | Because even the first contains permitted taste from the last type. |
Rabban Gamliel | One may eat each type until the time of Biur for that type. | Because taste doesn’t matter in this context. |
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| These explanations are from the Meiri. It is not clear why having permitted taste would permit other types according to Rabi Yehoshua, nor why taste wouldn’t matter in this context. |