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

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

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