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

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

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