Three statements are given followed by four conclusions I, II, III and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the following conclusions logically follow(s) from the statements. Statements : (A) All squares are boxes. (B) Some boxes are coloured. (C) Red is a colour. Conclusions : (I) Some boxes are red. (II) Some squares are red. (III) Some squares are coloured. (IV) Some boxes are squares.