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

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

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