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

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

*GRAMMAR*
wif -> RED 
 lug -> GREEN 
 zup -> PURPLE 
 kiki -> YELLOW 
 u1 fep u2 -> [u1] [u2] 
 x1 tufa x2 -> [x1] [x2] [x2] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 