Task: Question Answering
Input (English): Problem: the dimensions of a field are 10 m by 10 m . a pit 10 m long , 5 m wide and 4 m deep is dug in one corner of the field and the earth removed has been evenly spread over the remaining area of the field . what will be the rise in the height of field as a result of this operation ? 
Options: a ) 2 m , b ) 3 m , c ) 4 m , d ) 5 m , e ) 1.5 m
Output (English): c