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

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

*GRAMMAR*
zup -> PINK 
 tufa -> RED 
 wif -> BLUE 
 gazzer -> GREEN 
 u1 fep -> [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] [u1] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 