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

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

*GRAMMAR*
fep -> RED 
 tufa -> PURPLE 
 gazzer -> GREEN 
 zup -> YELLOW 
 u1 wif -> [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 