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

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

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