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

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

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