*SUPPORT*
IN: dax zup kiki fep OUT: YELLOW GREEN YELLOW GREEN
IN: wif kiki fep fep OUT: PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN
IN: kiki lug wif zup wif OUT: GREEN PURPLE PURPLE GREEN
IN: wif kiki OUT: PURPLE GREEN
IN: dax fep OUT: YELLOW YELLOW
IN: dax lug tufa OUT: YELLOW PINK YELLOW
IN: wif tufa tufa OUT: PURPLE PINK PINK
IN: tufa zup dax OUT: PINK YELLOW
IN: kiki kiki fep fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif zup kiki OUT: PURPLE GREEN
IN: wif dax lug kiki dax kiki dax OUT: PURPLE YELLOW GREEN YELLOW GREEN YELLOW YELLOW
IN: wif kiki fep OUT: PURPLE GREEN PURPLE GREEN
IN: dax lug kiki zup tufa OUT: YELLOW GREEN PINK YELLOW
IN: wif tufa zup tufa OUT: PURPLE PINK PINK

*QUERY*
IN: tufa lug tufa zup kiki OUT: PINK PINK GREEN PINK
IN: wif zup wif OUT: PURPLE PURPLE
IN: kiki kiki zup dax OUT: GREEN GREEN YELLOW
IN: wif OUT: PURPLE
IN: dax wif zup dax OUT: YELLOW PURPLE YELLOW
IN: wif lug tufa zup kiki OUT: PURPLE PINK GREEN PURPLE
IN: tufa OUT: PINK
IN: tufa tufa lug wif OUT: PINK PINK PURPLE PINK
IN: tufa zup tufa OUT: PINK PINK
IN: dax dax lug kiki fep OUT: YELLOW YELLOW GREEN YELLOW YELLOW YELLOW GREEN YELLOW

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