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

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

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