Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: In gametophytic self-incompatible flowering plants, the direction of information to inhibit pollen tube is from pistil to pollen.
Reason R: The female determinants localized in the pistil interact with the pollen tubes in the style or ovule to inhibit the incompatible tube.
In the light of the above statements, choose the most appropriate answer from the options given below: