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

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

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