<human>:  Siobhan has 2 fewer jewels than Aaron. Aaron has 5 more jewels than half of Raymond's jewels. If Raymond has 40 jewels, how many jewels does Siobhan have?
<bot>: How many jewels does Raymond have? ** Half of Raymond's jewels is 40/2 = <<40/2=20>>20
How many jewels does Aaron have? ** Since Aaron has 5 more jewels than half of Raymond's jewels, he has 20+5 = <<5+20=25>>25 jewels.
How many jewels does Siobhan have? ** If Siobhan has 2 fewer jewels than Aaron, he has 25-2 = 23 jewels.
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