Let
statement A: Melville isn't the puppet who is operated by Sue and her assistant Pam.
statement B: Hamish's chief puppeteer (who is not Jill) is assisted by Tom.
statement C: Ben is in charge of the dragon, but Jill doesn't have anything to do with the kangaroo.
statement D: Dave is the assistant puppeteer for the tiger.
statement E: Rex, whose chief is Paul, isn't the gorilla (who's name is not Melville).
Using table, you can solve it easily, here is the solution.
Sentence |
Chief |
Assistant |
Buddies |
Names |
A |
Sue |
Pam |
|
Not Melville |
B |
Not Jill |
Tom |
|
Hamish |
C |
BEN |
|
Dragon |
|
C |
Jill |
|
Not Kangroo |
|
D |
|
Dave |
Tiger |
|
E |
Paul |
Rex |
Kangaroo (Not Gorilla) |
Not Melville |
Sentence |
Chief |
Assistant |
Buddies |
Names |
A |
Sue |
Pam |
|
Not Melville |
B |
Not Jill |
Tom |
|
Hamish |
C |
BEN |
|
Dragon |
|
D |
Jill |
Dave |
Tiger, Not Kangroo |
|
E |
Paul |
Rex |
Kangaroo (Not Gorilla) |
Not Melville |
Sentence |
Chief |
Assistant |
Buddies |
Names |
A |
Sue |
Pam |
|
Not Melville |
C |
BEN, Not Jill |
Tom |
Dragon |
Hamish |
D |
Jill |
Dave |
Tiger, Not Kangroo |
|
E |
Paul |
Rex |
Kangaroo (Not Gorilla) |
Not Melville |
The answer is that the dragon's name is Hamish.
Good luck.