If there are two more syringes on the right side
return syringes ;return #1 on the  right side ;return #1 besides  #2 ;return number of #2 ;return number of #3 ;return the  difference of  #4 and #5 ;return if  #6 is  equal to two
['select', 'filter', 'discard', 'aggregate', 'aggregate', 'arithmetic', 'boolean']