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

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

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