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

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

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