Some teachers are scientists, all scientists are doctors, all doctors are engineers: which conclusions follow

The same question, asked 2 times: 25 Jul 2023 S2, 27 Jul 2023 S2. Every wording below, oldest first.

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Question 1
25 Jul 2023 S2
11 $Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some teachers are scientists. All scientists are doctors. All doctors are engineers. Conclusions: I. Some doctors are teachers. II. Some engineers are teachers. III. Some doctors are scientists.$
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Question 2
27 Jul 2023 S2
6 $Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some teachers are scientists. All scientists are doctors. All doctors are engineers. Conclusions: I. Some doctors are teachers. II. Some engineers are teachers. III. Some doctors are scientists.$
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Question 1