what.

Luke 13:15-17
"You hypocrites!" the Lord replied, "Does not each of you on the Sabbath untie his ox or donkey from the stall and lead it to water? . . .

Luke 14:5
And He asked them, "Which of you whose son or ox falls into a pit on the Sabbath day will not immediately pull him out?"

and if.

Exodus 23:4, 5
If you encounter your enemy's stray ox or donkey, you must return it to him. . . .

Deuteronomy 22:4
If you see your brother's donkey or ox fallen on the road, you must not ignore it; you must help him lift it up.