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

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

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