次のコードで空欄になっている行に入る適切な選択肢を 1 ~ 3 から選び、F 値を求めてください．．
# Q1
from ########## import precision_score, recall_score, f1_score
[Q1 選択肢]
1. sklearn.model_selction
2. sklearn.score
3. sklearn.metrics
y_true = [0, 0, 0, 1, 1, 1]
y_pred = [1, 0, 0, 1, 0, 0]
precision = precision_score(y_true, y_pred)
recall = recall_score(y_true, y_pred)
# Q2
f1 = ###########
print(“F1 : %3f” %f1_score)
[Q2の選択肢]
1. 2 * (precision + recall)/(precision * recall)
2. 2 * (precision * precision) / (recall + recall)
3. 2 * (precision * recall) / (precision + recall)