In the question below choose the word(s) or phrase(s) which best fills(s) the gap(s):
The boy who stole the mango was given .... by an eye witness

In the question below choose the word(s) or phrase(s) which best fills(s) the gap(s):
After listening to the statement from two students, the headmaster realized that it was a trivial argument that .... a serious quarrel between them