If Earl and Fala are in different pens, then which of the following must NOT be true ?

If Earl and Fala both are in different pens then there are two cases possible Case (i): Earl is in pen 1 and
Fala in pen 2.
Case (ii): Fala is in pen 1 and Earl is in pen 2. Case (i) Earl is in pen 1 and Fala is in pen 2. Gabino and
Daffy have to be together
in one pen and they cannot be in pen 1 as one of Ashlen and Blakely have to be in pen 1 and pen 1 can
holds 3 puppies.
Therefore Gabino and Daffy will be in pen 2, and Custard has to be in pen 1. Pen 1 will have Earl, Custard
and one of Ashlen and Blakely.
Pen 2 will have Fala, Gabino, Daffy and one of Ashlen and Blakely. Custard has to be in pen 1 Custard
cannot be in a higher-numbered pen than Fala.
Similarly in Case (ii) Fala will be in pen 1 but Custard will also be in pen 1. Custard cannot be in a higher-
numbered pen than Fala.
Option 5 must not be true. Hence, option 5