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

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

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