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

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

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