*SUPPORT*
IN: zup kiki OUT: GREEN PURPLE
IN: zup fep zup fep zup blicket OUT: GREEN YELLOW GREEN GREEN
IN: zup kiki wif blicket OUT: GREEN YELLOW PURPLE
IN: kiki OUT: PURPLE
IN: blicket tufa kiki OUT: PURPLE YELLOW PURPLE PURPLE YELLOW
IN: zup tufa kiki OUT: PURPLE GREEN PURPLE PURPLE GREEN
IN: lug zup OUT: RED GREEN
IN: kiki lug OUT: PURPLE RED
IN: zup OUT: GREEN
IN: zup wif zup OUT: GREEN GREEN
IN: lug fep lug zup lug wif zup OUT: RED GREEN GREEN RED RED
IN: kiki wif zup tufa kiki OUT: PURPLE GREEN PURPLE PURPLE PURPLE GREEN PURPLE
IN: kiki wif kiki OUT: PURPLE PURPLE
IN: lug wif zup OUT: GREEN RED

*QUERY*
IN: kiki kiki zup fep blicket wif blicket OUT: PURPLE PURPLE YELLOW YELLOW GREEN
IN: blicket OUT: YELLOW
IN: zup zup OUT: GREEN GREEN
IN: blicket fep zup wif blicket OUT: YELLOW GREEN YELLOW
IN: zup fep zup OUT: GREEN GREEN
IN: lug wif zup tufa blicket OUT: YELLOW GREEN RED YELLOW YELLOW GREEN RED
IN: blicket fep kiki OUT: PURPLE YELLOW
IN: lug OUT: RED
IN: lug fep zup zup blicket zup OUT: GREEN GREEN YELLOW GREEN RED
IN: zup tufa lug OUT: RED GREEN RED RED GREEN

*GRAMMAR*
blicket -> YELLOW 
 zup -> GREEN 
 kiki -> PURPLE 
 lug -> RED 
 u1 wif u2 -> [u2] [u1] 
 x1 tufa u1 -> [u1] [x1] [u1] [u1] [x1] 
 u1 fep x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 