Please answer the question bellow before using Bar Cheat Sheet!

Please imagine you are a bartender and here is a guest who has already drunk 1st:"Bunnahabhain 12 Yrs", 2nd:"BOWMORE 12 Yrs", 3rd:"CAOL ILA 12 Yrs" and 4:"LAPHROAIG 10 Yrs". He said to you, "Please recommend me 'one for the road'". What do you recommend?
1: TALISKER 10 Yrs
2: CRAGGANMORE 12 Yrs
3: AUCHENTOSHAN 12 Yrs
4: LAGAVULIN 16 Yrs