Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

It is said that everyone lives (1) _________selling something. What you can (2) ____________from this statement is that teachers live by selling knowledge, philosophers live by selling wisdom and priests earn their living by selling spiritual comfort. Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to (3) __________the true value of the services which people perform for us. There are times when we would (4) ___________give everything we possess to save our lives, yet we might grudge paying a surgeon a high fee for offering us precisely the same service. The (5) ____________of society are such that skills have to be paid for in the same way that goods are paid for at a shop.

Question:
Select the most appropriate option to fill in the blank number 2.

Option 1: separate

Option 2: derive

Option 3: revive

Option 4: choose