Once Susan had told him that if he touched his tongue to a frosty latch all the skin would tear off it .<br>Jem had promptly done it , `` just to see if it was so . ''<br>He found it was `` so , '' at the cost of a very sore tongue for several days .<br>But Jem did not grudge suffering in the interests of science .
Jem was angry that his tongue was sore
( z1 anger :ARG0 ( z2 sore :ARG1 ( z3 tongue :part-of ( z4 person :name ( z5 name :op "Jem" ) ) ) ) :ARG1 z4 )