Which of the following meaning shifts best represents synecdoche?
1.cheek 'jaw' --> 'cheek'
2.lyric 'poem to be sung with the lyre' --> 'poem to be sung'
3.sanctimonious 'devout' --> 'hypocritically devout'
4.head 'upper extremity' --> 'individual in a group, as 50 head of cattle'