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

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

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