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

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

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