need help plz venn diagram

At an international student parliament held at paris,france a survey was conducted for the students from England, france and germany.

169 spoke English 99 spoke english and french

143 spoke french 58 spoke frech and german

111 spoke german 77 spoke german and english

35 spoke all the three language

If a student from a group is chosen at random

(a) what is the probability that s/he speaks all the three language

(b)what is the probability that the student is unilingual (speak only one of the three language)