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

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

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