X is the mother of Y. Z is the father of Y. How is Z related to X?

B. HUSBAND

From the input 'red blue green yellow', which word is the last in the final output?

D. YELLOW

Choose a word similar to the group: 'brave, courageous, valiant'.

B. FEARLESS

In a coding system, 'FISH' is represented as '9478'. If 'HIS' is coded as '478', what is the code for 'SIF'?

A. 894

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions are given: 1) Alice is not friends with Bob. 2) Charlie is friends with both David and Eva. 3) Bob is friends with Eva but not with David. Who can be selected as friends of Charlie?

B. DAVID, EVA