Pick the right word in the list that completes the sentence, output the word.
The _____ between the two parties was deep-seated
a. feud
b. clash
c. link
d. alliance
feud
Complete the following task based on the instruction and optional input provided.### Instruction:
Pick the right word in the list that completes the sentence, output the word.

### Input:
The _____ between the two parties was deep-seated
a. feud
b. clash
c. link
d. alliance

### Output:
feud