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

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

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