Establish benchmarks for metric units and estimate the measures of a variety of objects (e.g., weight: &#160;raisin is about 1 gram, length: &#160;width of a finger is about
(width of a finger; is; about) Context(width of a finger is,List([147, 167))):(raisin; is; about 1 gram, length)
width of a finger is,List([147, 167))
width of a finger raisin
is is
about
about 1 gram, length