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

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

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