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

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

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