Draw inferences for the following pairs of statements:
Some posters are goodlooking.
All posters are expensive.

Explanation

Step I : Again the common term “posters. is a subject in both the sentences. By the rule of IEA we convert the I-type statements which is the first statement. Consequently, the aligned pair of sentences is Some goodlooking are posters (converted).
All posters are expensive.
Step II : I+A=A, hence inference is :