*SUPPORT*
IN: kiki lug tufa OUT: RED YELLOW YELLOW RED RED
IN: fep tufa kiki OUT: PINK RED YELLOW
IN: kiki dax wif gazzer OUT: GREEN GREEN YELLOW
IN: kiki kiki wif gazzer OUT: YELLOW YELLOW GREEN GREEN
IN: kiki tufa kiki gazzer OUT: YELLOW RED YELLOW YELLOW
IN: tufa gazzer OUT: RED RED
IN: wif wif gazzer OUT: GREEN GREEN GREEN
IN: tufa lug wif OUT: GREEN RED RED GREEN GREEN
IN: wif dax tufa lug wif OUT: GREEN RED RED GREEN GREEN GREEN
IN: wif gazzer OUT: GREEN GREEN
IN: tufa gazzer dax tufa OUT: RED RED RED
IN: kiki fep tufa gazzer OUT: YELLOW PINK RED RED
IN: kiki OUT: YELLOW
IN: fep lug fep OUT: PINK PINK PINK PINK PINK

*QUERY*
IN: fep gazzer OUT: PINK PINK
IN: kiki kiki wif lug tufa OUT: YELLOW YELLOW RED GREEN GREEN RED RED
IN: kiki dax tufa wif tufa fep OUT: RED GREEN RED PINK YELLOW
IN: fep lug tufa OUT: RED PINK PINK RED RED
IN: fep dax wif OUT: GREEN PINK
IN: tufa lug tufa OUT: RED RED RED RED RED
IN: tufa lug wif dax fep gazzer dax fep OUT: PINK PINK PINK GREEN RED RED GREEN GREEN
IN: wif lug kiki OUT: YELLOW GREEN GREEN YELLOW YELLOW
IN: wif OUT: GREEN
IN: fep OUT: PINK

*GRAMMAR*
kiki -> YELLOW 
 fep -> PINK 
 tufa -> RED 
 wif -> GREEN 
 u1 gazzer -> [u1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 lug u2 -> [u2] [u1] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 