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

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

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