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

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

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