Ramayana
एवं विश्वासिता सीता हेतुभिश्शोककर्शिता । उपपन्नैरभिज्ञानैर्दूतं तमवगच्छति ॥ ५-३५-८४
The grief stricken Sita trusted him by his logical presentation of reasons as well as identifications. She believed that he was a messenger (of Rama). [5-35-84]
english translation
evaM vizvAsitA sItA hetubhizzokakarzitA । upapannairabhijJAnairdUtaM tamavagacchati ॥ 5-35-84
hk transliteration by Sanscript