The sad hippopotamus

In a popular boat that is formed by a group of ten animals there is a lion that is the leader of the other animals follow the lion as it is the alpha. The whole group are very funny but there is the hippopotamus who is one of the group but it is the saddest and bitter, they one day at a party they arrived at the party they were surprised because the one that iso the party was the hipopotamo the other eight companions and the lion Leader were shocked as the hippopotamus was very bitter everyone enjoyed the party and realized that they can not judge without seeing its interior.