*SUPPORT*
IN: dax OUT: PINK
IN: tufa tufa wif OUT: BLUE BLUE BLUE BLUE
IN: tufa wif OUT: BLUE BLUE BLUE
IN: tufa zup tufa OUT: BLUE BLUE BLUE
IN: lug wif OUT: GREEN GREEN GREEN
IN: lug zup tufa OUT: GREEN GREEN BLUE
IN: lug OUT: GREEN
IN: tufa OUT: BLUE
IN: lug fep dax zup lug OUT: GREEN RED PINK PINK GREEN
IN: dax zup tufa OUT: PINK PINK BLUE
IN: fep dax kiki OUT: RED PINK RED PINK
IN: dax zup tufa kiki OUT: PINK PINK BLUE PINK PINK BLUE
IN: fep dax lug OUT: RED PINK GREEN
IN: lug lug wif OUT: GREEN GREEN GREEN GREEN

*QUERY*
IN: fep wif kiki OUT: RED RED RED RED RED RED
IN: tufa fep fep zup fep OUT: BLUE RED RED RED RED
IN: lug zup dax OUT: GREEN GREEN PINK
IN: dax wif OUT: PINK PINK PINK
IN: fep kiki OUT: RED RED
IN: tufa lug zup fep OUT: BLUE GREEN GREEN RED
IN: lug dax OUT: GREEN PINK
IN: fep OUT: RED
IN: lug wif kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep zup tufa OUT: RED RED BLUE

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