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

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

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