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

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

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