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

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

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