In commensalism

Animals eating plants are categorised separately as …$A$…, they are in a broad ecological context, not very different from …$B$…

Choose the correct option $A$ and $B$

Which one of the following is a right matching pair of certain organism(s) and the kind of association

Select the incorrect match w.r.t. interspecific interaction

species $A$ $\quad\;$species $B$ $\quad$interaction 

Mycorrhizae are the example of