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

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

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