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

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

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