Task: Question Decomposition
Input (English): question: what sea borders sweden germany and russia?
Output (English): #1 return seas 
#2 return #1 that borders sweden 
#3 return #1 that borders germany 
#4 return #1 that borders russia 
#5 return #1 in  both  #2 and #3 
#6 return #1 in  both  #4 and #5