A pair of referee and linesman officiated in football matches for a week. The referees were A, B, and C. The linesmen were 1, 2, 3, 4 and 5.
a) No Referee or linesman officiated in two consecutive matches.
b) A and 3, if either officiated, were always in a pair.
c) 5 officiated in Wednesday’s match.
d) 4 could not officiate in a match immediately preceding or following a match where 5 officiated.
Which pair officiated in Tuesday’s match?