People were asked to go into each of the 15 foot high colour tents and sit there for a little while on a colour light chair and feel the effect of the colour on them In the gensheet there were 9 words under each of the seven colours They were asked to chose 3 from the 9 words which they instinctively felt being under that light were most fitting

What is the correctly punctuated version of this sentence?
People were asked to go into each of the 15 foot high colour tents and sit there for a little while, on a colour light chair and 'feel' the effect of the colour on them. In the gen-sheet there were 9 words under each of the seven colours. They were asked to chose 3 from the 9 words, which they instinctively felt, being under that light, were most fitting.