question: If one dog with a dark muzzle is reclining on the grass, and at least one dog has an opened, non-snarling mouth.
#1 return dogs 
#2 return muzzle of #1 
#3 return #1 where  #2 is dark 
#4 return the  grass 
#5 return #3 that are reclining on #4 
#6 return number of  #5 
#7 return if  #6 is equal to  one 
#8 return mouth of #1 
#9 return #1 where  #8 is opened 
#10 return #1 where  #8 is non-snarling 
#11 return #1 in  both  #9 and #10 
#12 return number of  #11 
#13 return if  #12 is at least one 
#14 return if  both  #7 and #13 are true