sentences:  One collection of four poems, written in the vernacular, has passed down to us under the name of ""Ptōchopródromos"", however it has still not been established with certainty whether these poems were written by him or by someone who was imitating, or possibly even parodying, the true Theodore Prodromos.An attempt was made at resolving the problem of authorship by putting forward a hypothesis that there had actually been two poets of the same name.The evidence was found in one verse among the Ptochoprodromic writings, where the author praises the ""famous writer, harmonious swallow"", who was his ""friend and predecessor"".