In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The Hall of Dharma was in a circular building, built of stone and mortar, with a (1)________ dome. The delicate (2)________of the dome was believed to represent the feminine while the typical temple spire represented the masculine. The hall was also (3)________ All rishis sat as (4)________ without a moderating ‘head’, debating issues openly and without fear, freedom of (5)________at its zenith

Select the most appropriate option to fill in blank number 2.