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

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

*GRAMMAR*
fep -> GREEN 
 kiki -> PINK 
 tufa -> PURPLE 
 lug -> YELLOW 
 x1 zup u1 -> [x1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 