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

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

*GRAMMAR*
tufa -> RED 
 lug -> GREEN 
 kiki -> PINK 
 wif -> YELLOW 
 u1 zup -> [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 fep u2 -> [u1] [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 