Example with all variables modifiable

---                                                                             
var1:                                                                           
  - true                                                                        
var2:                                                                           
  - true                                                                        
var3:                                                                           
  - true                                                                        
var4:                                                                           
  - false                                                                       
var5:                                                                           
  - false                                                                       
var6:                                                                           
  - false                                                                       
var7:                                                                           
  - true                                                                        
var8:                                                                           
  - true