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

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

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