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

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

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