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

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

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