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

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

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