In a group of 25 people, only three languages are spoken –

In a group of 25 people, only three languages are spoken English, Spanish and German. If there is at least one person who speaks all the three languages, how many people can interact with each other in English and German?

(1) 4 people speak two languages but do not speak Spanish
(2) One fifth of the group speaks more than one language.


Please help with this question. I am getting A as answer