<synset id="a01804906" type="s">
<lex_filenum>00<lex_filenum/>
<word lex_id="0">ungrateful<word/>
<pointer refs="a01801600">Similar to<pointer/>
<def>disagreeable<def/>
<example author="Abraham Lincoln">I will not perform the ungrateful task of comparing cases of failure<example/>
<synset/>