*SUPPORT*
IN: tufa wif OUT: PINK GREEN
IN: wif gazzer lug OUT: GREEN BLUE
IN: wif OUT: GREEN
IN: tufa zup OUT: PINK PINK
IN: wif zup OUT: GREEN GREEN
IN: tufa gazzer wif OUT: PINK GREEN
IN: lug OUT: BLUE
IN: wif dax fep wif gazzer lug gazzer wif OUT: GREEN YELLOW GREEN GREEN GREEN BLUE GREEN
IN: wif zup gazzer wif zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa OUT: PINK
IN: lug zup zup zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep zup OUT: YELLOW YELLOW
IN: fep dax wif wif OUT: YELLOW GREEN GREEN YELLOW YELLOW
IN: tufa tufa OUT: PINK PINK

*QUERY*
IN: tufa lug wif fep OUT: PINK BLUE GREEN YELLOW
IN: wif zup zup gazzer fep gazzer wif OUT: GREEN GREEN GREEN GREEN YELLOW GREEN
IN: fep gazzer wif OUT: YELLOW GREEN
IN: wif fep OUT: GREEN YELLOW
IN: lug lug OUT: BLUE BLUE
IN: lug dax tufa tufa OUT: BLUE PINK PINK BLUE BLUE
IN: lug zup OUT: BLUE BLUE
IN: fep OUT: YELLOW
IN: fep lug OUT: YELLOW BLUE
IN: tufa zup zup zup OUT: PINK PINK PINK PINK PINK PINK PINK PINK

*GRAMMAR*
wif -> GREEN 
 lug -> BLUE 
 tufa -> PINK 
 fep -> YELLOW 
 x1 zup -> [x1] [x1] 
 x1 gazzer u1 -> [x1] [u1] 
 x1 dax x2 -> [x1] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 