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

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

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