Hearing Little Green say this, Myna Xiao Mo became restless and began to squawk loudly, obviously trying to rebut Little Green's words. Alas, it lacked the talent for mimicry and couldn't speak, so after a long while of shouting, Mo Qingze, their owner, indicated that he hadn't understood a word of bird language.
However, as a fair and just owner, Mo Qingze treated both birds the same and understood their personalities. He didn't take Little Green's word as the whole truth.
Little Green had a history of past offenses, taking advantage of its ability to speak human language to often twist the truth. After being deceived twice, Mo Qingze only believed half of what it said. This time, he believed that they were fighting over a toy, and that Little Green had dropped the toy into the water, but he didn't believe Little Mo was entirely to blame.
And furthermore...