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

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

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