{TAIL ~ The carbohydrates} have a synergistic activity on promoting bifidobacteria in {HEAD ~ the intestine} 
{ TAIL ~ The carbohydrates } have a synergistic activity on promoting bifidobacteria in { HEAD ~ the intestine }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD