Use the Following Information and Venn Diagram to Answer Questions

Use the following information and Venn diagram to answer questions . A survey of 64 members of a UFO
club revealed the following information:
45 believe that we never landed on the moon
49 believe that they have been abducted by space aliens
42 believe both of these things
The Venn diagram below helps depict these data.
Let U be the set of people who were surveyed. Let E be the set of people who believe that we never landed on the
moon. Let A be the set of people who believe that they have been abducted by space aliens. Then we have the
following Venn diagram showing the relationship between sets E, A and U:
-How many believe neither of these things (that we never landed on the moon and that they have been abducted by space aliens) ?

A) 42
B) 7
C) 12
D) 3