repeat {
  c_samno <- sample(1:nrow(c_tweets), 1)
  c_samtext <- as.character(c_tweets$text[c_samno])
  c_samissue <- as.character(c_tweets$issue[c_samno])
  c_samtags <- as.character(c_tweets$tags[c_samno])
  c_samid <- as.character(c_tweets$id_str[c_samno])
  
  
  repeat {
    cat("===================\n\n[TWEET]: ",c_samtext,"\n", "[ISSUES]: ", c_samissue, " (", c_samtags, ")", sep="")
    c_yn <- readYN("Is the categorization correct AND complete?\nEnter y or n: ")
    
    # Check if input is correct
    if(c_yn == "y" || c_yn == "n" || c_yn == "QUIT") {break} else {cat("Wrong input, please enter y or n (or QUIT if you want to exit safely).\n")}
  }

  # Exit codes:
  # 0 = Correct tagging
  # 1 = At least one tag was incorrect
  # 2 = At least one tag was missing
  # 3 = Both 1 and 2
  
  if(c_yn == "y") {
    c_result <- str_c("\"",c_samid,"\"",",0,","\"",c_samissue,"\",\"",c_samtags,"\",\"",c_samtext,"\"")
    write(c_result, file = "issuecomp-codingsample-correct.csv", append = T)
  } 
  else if(c_yn == "n") {
    repeat {
      c_err <- readYN("Enter 1 if a tag is incorrect, 2 if a tag is missing, and 3 if a tag is incorrect AND missing: ")
      if(c_err == "1" || c_err == "2" || c_err == "3") {break} else {cat("Wrong input, please enter 1, 2 or 3.\n")}
    }
    c_result <- str_c("\"",c_samid,"\",",c_err,",\"",c_samissue,"\",\"",c_samtags,"\",\"",c_samtext,"\"")
    write(c_result, file = "issuecomp-codingsample-error.csv", append = T)
  } 
  else {
    cat("Quitting now.")
    break
  }
}