In each question, the first and the last sentences of the passage are numbered S1 and S6 respectively. The rest of the passage is split into four parts. These four sentences are jumbled. Read the sentences and identify their correct and logical order.

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S1: The similarity between the human body and a machine is rather superficial.
P: Beyond that, comparison fails.
Q: No machine grows in size; no machine sees, hears or feels.
R: It can be summed up in the statement that both require fuel and oxygen and obtain energy.
S: No machine thinks.
S6: The points of difference far outweigh the points of resemblance.
The Proper sequence should be: