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

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

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