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

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

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