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

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

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