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

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

*GRAMMAR*
tufa -> RED 
 gazzer -> BLUE 
 zup -> PINK 
 lug -> GREEN 
 u1 kiki x1 -> [u1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 x1 dax u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 