http://www.tv411.org/lessons/cfm/reading.cfm?num=11&act=2&que=1
http://www.studyzone.org/testprep/ela4/h/inferencesp.cfm
http://www.studyzone.org/testprep/ela4/e/drawconclusionsp.cfm
http://www.studyzone.org/testprep/ela4/h/inferchar.cfm
http://www.studyzone.org/testprep/ela4/h/inferprac.cfm
http://www.quia.com/ba/41785.html