Five Ships J, K, L, M and N are to be unloaded on 5 consecutive days beginning from Monday to Friday.

(i) Each ship takes exactly one day to unload.

(ii) K must be unloaded on the day, proceeding the day on which M and N are unloaded.

(iii) L cannot be unloaded on Tuesday

(iv) M is the second ship to be unloaded after J is unloaded.

On which of the following days, any one of the five ships can be unloaded?