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

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

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