YOU SAID:

my friend chris is extremely stupid in the vast majority of scenarios

INTO JAPANESE

私の友人のクリスは、大部分のシナリオで非常に愚かです

BACK INTO ENGLISH

My friend Chris is very stupid in most scenarios

INTO JAPANESE

私の友人のクリスは、ほとんどのシナリオで非常に愚かです

BACK INTO ENGLISH

My friend Chris is very stupid in most scenarios