Read the following article and answer the question. Article: Once upon a time two friends lived in a palace . They both worked for the King . One of them liked a girl and wanted to give her a present . One day , he was walking with his friend in the main palace hall , and he saw a big vase filled with the loveliest flowers he could imagine . He decided to take one to the girl , thinking that no one would see him to so . He did the same thing the next day , and the next .... until one day , the King noticed how few flowers were left in the vase . He was so angry that he called everyone in the palace to assemble . When they were all before the King , the boy wanted to tell the truth . However , his friend told him to be quiet . But when the King came near , he decided to _ . As soon as the boy said that he had done it , the King was angry . But on hearing what the boy has done with the flowers , the King said , " I couldn't have thought of a better use for my flowers . " From that day , the boy and the King became great friends . They went to take two of those wonderful flowers , one for the girl and the other for the Queen . Overcoming fear to tell the truth is difficult , but in the end it isn't so bad . Question: What did the boy's friend want him to do ? Answer:
The answer is:
To keep silent