The Graph Below Represents a Temperature Versus Energy Plot for a Pure

The graph below represents a temperature versus energy plot for a pure substance.Identify the point(s) ...(i) where only liquid exists and (ii) is associated with the heat of vaporization

A) (i) 7 (ii) 2 and 3
B) (i) 7 (ii) 5 and 6
C) (i) 4 (ii) 2 and 3
D) (i) 4 (ii) 5 and 6
E) (i) 1 (ii) 5 and 6