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

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

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