Four sentences related to a topic are given below. Three of them can be put together to form a meaningful and coherent short paragraph. Identify the odd one out. Choose its number as your answer and key it in.
(1) Working on mathematical skills is not unlike practising a sport: neither can be learned by watching others perform the activity and both require encouragement and effort.
(2) Few people would consider proudly announcing that they are bad at writing or reading.
(3) Why do smart people enjoy saying that they are bad at math?
(4) This communal math hatred may seem rather innocuous, but we are passing on the phobia for mathematics and with that are priming our children for mathematical anxiety.