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

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

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