Identify the correct pair of terms and definitions from the following Columns I and II:

Column I :

1. Production Function

2. Short Run Production Function

3. Long Run Production Function

4. Long Run Production Function

Column II:

(a) Shows the functional relation between physical inputs and physical output of a good.

(b) All the factors of production are variable.

(c) One factor of production is variable and all others are fixed

(d) Addition to utility