If book is called watch, watch is called bag, bag is called dictionary and dictionary is called window, which is used to carry the books ?

A. DICTIONARY

If diamond is called gold, gold is called silver, silver is called ruby, ruby is called emerald, which is the cheapest jewel ?

D. RUBY

If cloud is called white, white is called rain, rain is called green, green is called air, air is called blue and blue is called water, where will the birds fly ?

E. BLUE

If air is called green , green is called blue, blue is called sky, sky is called yellow, yellow is called water and water is called pink, then what is the color of clear sky ?

B. SKY

If wall is called window, window is called door, door is called floor, floor is callled roof and roof is callled ventilator, what will a person stand on ?

D. ROOF