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

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

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