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

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

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