question: sickle:rice field
choices.label: A B C D
choices.text: test tube:hospital pen:office building missile:army tower cranes:construction sites
explanation: a common tool in the "rice field" is the "sickle". the commonly used instruments in "hospitals" are not "test tubes". "pen" can appear in an "office building", but also in other places. an "missile" can appear in "army", and can also appear in other places. one type of lifting equipment commonly used on "construction sites" is a "tower crane".
relation: sickle rice field R3.10
relation: tower cranes construction sites R3.10