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

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

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