Problem: Sentence1: He gave us a general formula for attacking polynomials.
Sentence2: X = \frac -b \pm \sqrtb^2-4ac2a is a formula for finding the roots of the quadratic equation ax2 + bx + c = 0.
Q: Does the term formula mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Can you count the books on your shelf?
Sentence2: There are three apples; count them.
Q: Does the term count mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: To purchase land, to purchase a house.
Sentence2: Carmen purchased a dress for $50.
Q: Does the term purchase mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: I think he is very smart.
Sentence2: Think what a scene it must have been!
Q: Does the term think mean the same thing in both these sentences?

Answer:
different meanings