sets have stopped working for my thieve chatbot anymore. there was no error. is this correct? <category> <pattern><set>breakable</set> is breakable</pattern> <template>okay <star/> is breakable. <think><map name="meaning"><value><star/></value><star/></map><map name="instantiation" value="breakable"><map name="meaning"><star/></map></map></think> </template> </category> <category> <pattern>is <set>breakable</set> breakable</pattern> <template>yes, <star/> is breakable. </template> </category>