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

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

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