tathā hi caitro 'tra dharmī, tasya bahirbhāvaḥ sādhyaḥ, jīvane sati gṛhyasaṅgo hetuḥ kāryaḥ /
Thus here Caitra is the subject, his being outside is what is to be proved, [and] being alive while having no connection to the house is the reason [which is] an effect.