Direction: Read the following information carefully and answer the given questions.

Six people Ela, Yatika, Brinda, Viti, Namya, and Sanaya have different numbers of balls 10, 14, 18, 20, 21, and 43 but not necessarily in the same order. Each person has only one type of coloured ball - Olive, Aqua, Grey, Navy, Yellow, and Lime. Brinda has 21 aqua-coloured balls. Sanaya, who does not have Olive coloured balls, has four marbles more than Namya. Namya has Yellow coloured balls. The one who has Navy coloured balls has more balls than the one, who has Olive coloured Balls. There are 43 Grey coloured balls. Neither Yatika nor Ela has Grey coloured balls. Yatika has more balls than Ela. Yatika does not have more than six balls than Ela.