The paragraph below contains irrelevant sentences. Look at the initial sentence to see what the focus of that paragraph should be and identify the irrelevant sentences. Indian food is becoming more and more popular in the UK. a) A recent poll indicated that chicken tikka masala is the nation's favourite dish. b) Chickens are usually reared on battery farms in conditions of very poor light and with restricted movement. c) Indian cookbooks have been selling in greater and greater numbers as more people want to experiment with this style of food. d) Due to consumer pressure, free-range chickens are becoming more and more popular. e) One reason for the increasing popularity of Indian food is the increased availability of the spices needed to give the food its distinctive flavour. f) There has also been an explosion in the number of Indian restaurants offering this exotic cuisine at reasonable prices.