<human>: Does the sentence "After a period of unrest with repeated violent clashes such as the Züriputsch of 1839, civil war (the Sonderbundskrieg) broke out in 1847 when some Catholic cantons tried to set up a separate alliance (the Sonderbund)." provide a valid answer to the question "What did Catholic cantons attempt to set up which caused a civil war in 1839?"
OPTIONS:
- yes
- no
<bot>: yes