Statement $1$: In a perfectly inelastic collision,the total energy of two particles moving in the same direction is not completely lost.
Statement $2$: The principle of conservation of momentum is valid for all types of collisions.

• A
  Statement $-1$ is true,Statement $-2$ is false.
• B
  Statement $-1$ is true,Statement $-2$ is true.
• C
  Statement $-1$ is true,Statement $-2$ is true,but Statement $-2$ is not the correct explanation of Statement $-1$.
• D
  Statement $-1$ is false,Statement $-2$ is true.