Following are a number of back-translations of Mark 14:15:

• Uma: “The house owner will show you a big room up above. That room is all prepared, complete with stuff [i.e., furniture, utensils]. There you will prepare the Paskah food for us.'” (Source: Uma Back Translation)
• Yakan: “So-then he will show you a big room upstairs,’ said Isa. ‘That room is already prepared beforehand. Prepare there our (incl.) food.'” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “Then he will show you a wide room overhead which is already outfitted. There you prepare our supper.'” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “He will then show/point-out-to you a wide room upstairs where all that we need is located. Prepare what we will eat there.'” (Source: Kankanaey Back Translation)
• Tagbanwa: “Well, he will show you a spacious room upstairs, complete with utensils/furnishings. There in that room is where you are to prepare our (incl.) evening meal.'” (Source: Tagbanwa Back Translation)