Task: Question Answering
Input (English): Problem: a boat having a length 3 m and breadth 2 m is floating on a lake . the boat sinks by 1.5 cm when a man gets on it . the mass of man is 
Options: a ) 12 kg , b ) 90 kg , c ) 72 kg , d ) 96 kg , e ) none
Output (English): b