Consider the following database of animals:
/*******************************************/
/*             Animal  Database            */
/* animal( type,name,diet,characteristic). */
/*******************************************/

/* FACTS */

animal(mammal,tiger,carnivore,stripes).
animal(bird,eagle,carnivore,large).
animal(mammal,hyena,carnivore,ugly).
animal(bird,sparrow,scavenger,small).
animal(mammal,lion,carnivore,mane).
animal(reptile,snake,carnivore,long).
animal(mammal,zebra,herbivore,stripes).
animal(reptile,lizard,scavenger,small).

/*******************************************/

Now write queries to find:
a) All the mammals
b) All the carnivores that are mammals
c) All the mammals with stripes
d) Whether there is a reptile which has a mane
e) Whether a human is an animal