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

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

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