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

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

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