Modular Distance Learning features individualized instruction that allows learners to use self-learning modules (SLMs) in print or digital format/electronic copy, whichever is applicable to the learner. ... The teacher takes the responsibility of monitoring the progress of the learners.
The teacher takes the responsibility of monitoring the progress of the learners. If possible, they will conduct home visits to check on each student’s progress and performance.
The sentence using the correct capitalization is the third:
"The Red Cross is a liaison for the families of soldiers stationed in other countries, acting as a go-between for separated spouses, parents and children."
Neither <em>liaison</em> nor <em>soldiers</em> need to be capitalized, since they are only common nouns, while the <em>Red Cross</em> is the proper noun of an institution and as such, it needs to have each word capitalized.
An analogy describes the relationship between words. In part/whole analogies, the first term is part of the second term, and the third term is part of the fourth. As an example, sand is to beach as water is to ocean.