<human>: Does the sentence "A regency followed his death, with Queen Regent Dzeliwe Shongwe being head of state until 1984 when she was removed by Liqoqo and replaced by Queen Mother Ntfombi Tfwala." answer the question "Who was the head of state of Swaziland after King Sobhuza II"

OPTIONS:
- yes
- no
<bot>: yes