*SUPPORT*
IN: lug dax lug wif wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: gazzer wif OUT: YELLOW YELLOW
IN: lug wif OUT: GREEN GREEN
IN: gazzer dax fep OUT: YELLOW BLUE
IN: lug OUT: GREEN
IN: gazzer dax gazzer OUT: YELLOW YELLOW
IN: fep fep OUT: BLUE BLUE
IN: tufa OUT: PINK
IN: fep dax gazzer wif OUT: BLUE YELLOW BLUE YELLOW
IN: gazzer lug wif OUT: YELLOW GREEN YELLOW GREEN
IN: tufa dax fep OUT: PINK BLUE
IN: lug dax tufa OUT: GREEN PINK
IN: tufa dax gazzer OUT: PINK YELLOW
IN: tufa tufa wif OUT: PINK PINK PINK PINK

*QUERY*
IN: lug tufa dax gazzer OUT: GREEN PINK YELLOW
IN: gazzer gazzer dax lug wif OUT: YELLOW YELLOW GREEN YELLOW YELLOW GREEN
IN: gazzer dax lug OUT: YELLOW GREEN
IN: fep dax tufa OUT: BLUE PINK
IN: tufa fep dax tufa wif OUT: PINK BLUE PINK PINK BLUE PINK
IN: gazzer kiki gazzer lug fep dax gazzer OUT: YELLOW YELLOW GREEN BLUE YELLOW
IN: fep dax gazzer kiki gazzer wif wif OUT: BLUE YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep dax fep OUT: BLUE BLUE
IN: gazzer lug dax tufa OUT: YELLOW GREEN PINK
IN: fep OUT: BLUE

*GRAMMAR*
gazzer -> YELLOW 
 lug -> GREEN 
 tufa -> PINK 
 fep -> BLUE 
 x1 kiki x2 -> [x1] [x2] 
 u1 dax u2 -> [u1] [u2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 