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

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

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