Only I1 is example of Modus Tollen. I2 does not look like Modus Tollen. Pooja Palod mam. please confirm.
Let us assume p=It rains,q=cricket match will not be played.
I1: If it rains then the cricket match will not be played (p->q)
The cricket match was played. (~q)
Inference: There was no rain.(~p)
~p (Modus tollens )
Thus I1 is an inferenece.
I2:can be written as
Not an inference.
Hence answer is B