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

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

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