Q:

A word is given in capital letters, it is followed by four words. Out of these four words the three words cannot be formed from the letters of the word in capital letters. Point out the word which cannot be formed from the letters of the given word in capital letters.
GASTROENTEROLOGIST

• 1
  ENTER
• 2
  ROAST
• 3
  ASTROLOGER
• 4
  LOGIC