Oxymoron is a phrase that combines two words that seem to be the opposite of each other.
Deafening means `very loud'. Silence means `a complete lack of noise or sound'.
CTET Solved Paper MCQ - UPTET Feburary 2016
'The' is used before the names of historical buildings and events. 'Monument' is a singular countable noun which begins with a consonant sound so 'a' will be used.
'Try to do something' and `relieve somebody of something' is the proper usage.

