One day, a rich businessman saw his 15 years old daughter crying when came to home. "What happened my dear?" he asked."Today is the worst day of my life,"she replied.
" Why so?" her father asked.

"Today I have been cheated by my
bestfriend whom I used to trust the most," she answered.

" Tell me what she did," her father
asked.
" Today in school, when the teacher asked who were getting into mischief in the class, then...