This gist will help to quickly annotate the text for the assignment by providing a CLI and writing results to the required format!

eval.py

#For Assignment 1 INFO 159/259 (NLP) Fall 2017 
import csv

fn = 'your_name_trump_tweets.txt'

inp = list(csv.reader(open(fn, 'rb'), delimiter='\t'))
out = csv.writer(open('output.txt','w'), delimiter='\t')
sent = {'p':'positive','n':'negative','m':'mixed','u':'unknown'}
out.writerow(['tweet ID', 'target', 'sentiment toward target', 'rationale'])
for tweet in inp:
	print tweet[1]
	print "Enter the target:"
	target = raw_input()
	sentiment = "unknown"
	while 1:
		print "Enter the sentiment (p,n,m,u for positive,negative,mixed,unknown respectively):"
		try:
			sentiment = sent[raw_input()]
			break
		except:
			print "please enter p,n,m or u"
			pass
	print "Enter rationale:"
	rationale = raw_input()
	resp = [tweet[0],target,sentiment,rationale]
	out.writerow(resp)
	print "---------------------------"